start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=171
end-page=187
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Note on smoothness condition on tropical elliptic curves of symmetric truncated cubic forms
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this work, we provide explicit conditions for the coeffi-cients of a symmetric truncated cubic to give a smooth tropical curve. We also examine non-smooth cases corresponding to some specific sub-division types.
en-copyright=
kn-copyright=
en-aut-name=TarmidiRani Sasmita
en-aut-sei=Tarmidi
en-aut-mei=Rani Sasmita
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Department of Mathematics, Graduate School of Science, Osaka University
kn-affil=
en-keyword=tropical curves
kn-keyword=tropical curves
en-keyword=smooth tropical curves
kn-keyword=smooth tropical curves
en-keyword=symmetric truncated cubic
kn-keyword=symmetric truncated cubic
END
start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=159
end-page=169
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Duality-reflection formulas of multiple polylogarithms and their ℓ-adic Galois analogues
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we derive formulas of complex and ℓ-adic multiple polylogarithms, which have two aspects: a duality in terms of indexes and a reflection in terms of variables. We provide an algebraic proof of these formulas by using algebraic relations between associators arising from the S3-symmetry of the projective line minus three points.
en-copyright=
kn-copyright=
en-aut-name=ShiraishiDensuke
en-aut-sei=Shiraishi
en-aut-mei=Densuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Department of Mathematics, Graduate School of Science, Osaka University
kn-affil=
en-keyword=multiple polylogarithm
kn-keyword=multiple polylogarithm
en-keyword=ℓ-adic Galois multiple polylogarithm
kn-keyword=ℓ-adic Galois multiple polylogarithm
en-keyword=duality-reflection formula
kn-keyword=duality-reflection formula
END
start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=135
end-page=157
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Several homotopy fixed point spectral sequences in telescopically localized algebraic K-theory
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Let n ≥ 1, p a prime, and T(n) any representative of the Bousfield class of the telescope v−1n F(n) of a finite type n complex. Also, let En be the Lubin-Tate spectrum, K(En) its algebraic K-theory spectrum, and Gn the extended Morava stabilizer group, a profinite group. Motivated by an Ausoni-Rognes conjecture, we show that there are two spectral sequences
IEs,t2 ⇒ πt−s((LT(n+1)K(En))hGn) ⇐ IIEs,t2
with common abutment π∗(−) of the continuous homotopy fixed points of LT(n+1)K(En), where IEs,t2 is continuous cohomology with coefficients in a certain tower of discrete Gn-modules. If the tower satisfies the Mittag-Leffler condition, then there are isomorphisms with continuous cochain cohomology groups:
IE∗,∗2 ≅ H∗cts(Gn, π∗(LT(n+1)K(En))) ≅ IIE∗,∗2.
We isolate two hypotheses, the first of which is true when (n, p) = (1, 2), that imply (LT(n+1)K(En))hGn ≃ LT(n+1)K(LK(n)S0). Also, we show that there is a spectral sequence
Hscts(Gn, πt(K(En) ⊗ T(n + 1))) ⇒ πt−s((K(En) ⊗ T(n + 1))hGn).
en-copyright=
kn-copyright=
en-aut-name=DavisDaniel G.
en-aut-sei=Davis
en-aut-mei=Daniel G.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Department of Mathematics, University of Louisiana at Lafayette
kn-affil=
en-keyword=Algebraic K-theory spectrum
kn-keyword=Algebraic K-theory spectrum
en-keyword=continuous homotopy fixed point spectrum
kn-keyword=continuous homotopy fixed point spectrum
en-keyword=Lubin-Tate spectrum
kn-keyword=Lubin-Tate spectrum
en-keyword=Morava stabilizer group
kn-keyword=Morava stabilizer group
en-keyword=homotopy fixed point spectral sequence
kn-keyword=homotopy fixed point spectral sequence
en-keyword=telescopic localization
kn-keyword=telescopic localization
END
start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=125
end-page=133
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A subclass of strongly close-to-convex functions associated with Janowski function
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The aim of this paper is to introduce a new subclass of strongly close-to-convex functions by subordinating to Janowski function. Certain properties such as coefficient estimates, distortion theorem, argument theorem, inclusion relations and radius of convexity are established for this class. The results obtained here will generalize various earlier known results.
en-copyright=
kn-copyright=
en-aut-name=SinghGagandeep
en-aut-sei=Singh
en-aut-mei=Gagandeep
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=SinghGurcharanjit
en-aut-sei=Singh
en-aut-mei=Gurcharanjit
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=Department of Mathematics, Khalsa College
kn-affil=
affil-num=2
en-affil=Department of Mathematics, G.N.D.U. College
kn-affil=
en-keyword=Analytic functions
kn-keyword=Analytic functions
en-keyword=Subordination
kn-keyword=Subordination
en-keyword=Janowski-type function
kn-keyword=Janowski-type function
en-keyword=Close-to-convex functions
kn-keyword=Close-to-convex functions
en-keyword=Distortion theorem
kn-keyword=Distortion theorem
en-keyword=Argument theorem
kn-keyword=Argument theorem
en-keyword=Coefficient bounds
kn-keyword=Coefficient bounds
END
start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=115
end-page=124
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A combinatorial integration on the Cantor dust
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we generalize the Cantor function to 2-dimensional cubes and construct a cyclic 2-cocycle on the Cantor dust. This cocycle is non-trivial on the pullback of the smooth functions on the 2-dimensional torus with the generalized Cantor function while it vanishes on the Lipschitz functions on the Cantor dust. The cocycle is calculated through the integration of 2-forms on the torus by using a combinatorial Fredholm module.
en-copyright=
kn-copyright=
en-aut-name=MaruyamaTakashi
en-aut-sei=Maruyama
en-aut-mei=Takashi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=SetoTatsuki
en-aut-sei=Seto
en-aut-mei=Tatsuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=Department of Engineering, Stanford University
kn-affil=
affil-num=2
en-affil=General Education and Research Center, Meiji Pharmaceutical University
kn-affil=
en-keyword=Fredholm module
kn-keyword=Fredholm module
en-keyword=Cantor dust
kn-keyword=Cantor dust
en-keyword=cyclic cocycle
kn-keyword=cyclic cocycle
END
start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=103
end-page=113
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On G(A)Q of rings of finite representation type
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Let (A,m) be an excellent Henselian Cohen-Macaulay local ring of finite representation type. If the AR-quiver of A is known then by a result of Auslander and Reiten one can explicity compute G(A) the Grothendieck group of finitely generated A-modules. If the AR-quiver is not known then in this paper we give estimates of G(A)Q = G(A) ⊗Z Q when k = A/m is perfect. As an application we prove that if A is an excellent equi-characteristic Henselian Gornstein local ring of positive even dimension with char A/m ≠ 2, 3, 5 (and A/m perfect) then G(A)Q ≅ Q.
en-copyright=
kn-copyright=
en-aut-name=PuthenpurakalTony J.
en-aut-sei=Puthenpurakal
en-aut-mei=Tony J.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Department of Mathematics, IIT Bombay
kn-affil=
en-keyword=Grothendieck group
kn-keyword=Grothendieck group
en-keyword=finite representation type
kn-keyword=finite representation type
en-keyword=AR sequence
kn-keyword=AR sequence
END
start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=85
end-page=102
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Positive solutions to a nonlinear three-point boundary value problem with singularity
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we discuss the existence and uniqueness of positive solutions to a singular boundary value problem of fractional differential equations with three-point integral boundary conditions. The nonlinear term f possesses singularity and also depends on the first-order derivative u′. Our approach is based on Leray-Schauder fixed point theorem and Banach contraction principle. Examples are presented to confirm the application of the main results.
en-copyright=
kn-copyright=
en-aut-name=AkoredeMoses B.
en-aut-sei=Akorede
en-aut-mei=Moses B.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=ArawomoPeter O.
en-aut-sei=Arawomo
en-aut-mei=Peter O.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=Department of Mathematics, Faculty of Science, University of Ibadan
kn-affil=
affil-num=2
en-affil=Department of Mathematics, Faculty of Science, University of Ibadan
kn-affil=
en-keyword=Fractional derivative
kn-keyword=Fractional derivative
en-keyword=positive solutions
kn-keyword=positive solutions
en-keyword=singularity
kn-keyword=singularity
en-keyword=three-point boundary value problem
kn-keyword=three-point boundary value problem
en-keyword=cone
kn-keyword=cone
END
start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=71
end-page=83
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Harmonic partitions of positive integers and bosonic extension of Euler’s pentagonal number theorem
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we first propose a cohomological derivation of the celebrated Euler’s Pentagonal Number Theorem. Then we prove an identity that corresponds to a bosonic extension of the theorem. The proof corresponds to a cohomological re-derivation of Euler’s another celebrated identity.
en-copyright=
kn-copyright=
en-aut-name=JinzenjiMasao
en-aut-sei=Jinzenji
en-aut-mei=Masao
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TajimaYu
en-aut-sei=Tajima
en-aut-mei=Yu
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=Department of Mathematics, Okayama University
kn-affil=
affil-num=2
en-affil=Division of Mathematics, Graduate School of Science, Hokkaido University
kn-affil=
en-keyword=partitions of integers
kn-keyword=partitions of integers
en-keyword=cohomology
kn-keyword=cohomology
en-keyword=Euler number
kn-keyword=Euler number
en-keyword=Euler’s pentagonal number theorem
kn-keyword=Euler’s pentagonal number theorem
END
start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=63
end-page=69
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Construction of families of dihedral quintic polynomials
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this article, we give two families of dihedral quintic polynomials by using the Weber sextic resolvent and a certain elliptic curve.
en-copyright=
kn-copyright=
en-aut-name=KishiYasuhiro
en-aut-sei=Kishi
en-aut-mei=Yasuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=YamadaMei
en-aut-sei=Yamada
en-aut-mei=Mei
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=Department of Mathematics, Faculty of Education, Aichi University of Education
kn-affil=
affil-num=2
en-affil=Department of Mathematics, Faculty of Education, Aichi University of Education
kn-affil=
en-keyword=Quintic polynomials
kn-keyword=Quintic polynomials
en-keyword=Galois group
kn-keyword=Galois group
END
start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=45
end-page=61
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Dirac pairs on Jacobi algebroids
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We define Dirac pairs on Jacobi algebroids, which is a generalization of Dirac pairs on Lie algebroids introduced by Kosmann-Schwarzbach. We show the relationship between Dirac pairs on Lie and on Jacobi algebroids, and that Dirac pairs on Jacobi algebroids characterize several compatible structures on Jacobi algebroids.
en-copyright=
kn-copyright=
en-aut-name=NakamuraTomoya
en-aut-sei=Nakamura
en-aut-mei=Tomoya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Academic Support Center, Kogakuin University
kn-affil=
en-keyword=Dirac pair
kn-keyword=Dirac pair
en-keyword=Dirac structure
kn-keyword=Dirac structure
en-keyword=Jacobi algebroid
kn-keyword=Jacobi algebroid
en-keyword=Lie algebroid
kn-keyword=Lie algebroid
END
start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=31
end-page=44
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Game positions of multiple hook removing game
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Multiple Hook Removing Game (MHRG for short) introduced in [1] is an impartial game played in terms of Young diagrams. In this paper, we give a characterization of the set of all game positions in MHRG. As an application, we prove that for t ∈ Z≥0 and m, n ∈ N such that t ≤ m ≤ n, and a Young diagram Y contained in the rectangular Young diagram Yt,n of size t × n, Y is a game position in MHRG with Ym,n the starting position if and only if Y is a game position in MHRG with Yt,n−m+t the starting position, and also that the Grundy value of Y in the former MHRG is equal to that in the latter MHRG.
en-copyright=
kn-copyright=
en-aut-name=MotegiYuki
en-aut-sei=Motegi
en-aut-mei=Yuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Graduate School of Pure and Applied Sciences, University of Tsukuba
kn-affil=
en-keyword=Young diagram
kn-keyword=Young diagram
en-keyword=hook
kn-keyword=hook
en-keyword=combinatorial game
kn-keyword=combinatorial game
en-keyword=Grundy value
kn-keyword=Grundy value
END
start-ver=1.4
cd-journal=joma
no-vol=66
cd-vols=
no-issue=1
article-no=
start-page=1
end-page=30
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2024
dt-pub=202401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Equivalence classes of dessins d’enfants with two vertices
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Let N be a positive integer. For any positive integer L ≤ N and any positive divisor r of N, we enumerate the equivalence classes of dessins d’enfants with N edges, L faces and two vertices whose representatives have automorphism groups of order r. Further, for any non-negative integer h, we enumerate the equivalence classes of dessins with N edges, h faces of degree 2 with h ≤ N, and two vertices whose representatives have automorphism group of order r. Our arguments are essentially based upon a natural one-to-one correspondence between the equivalence classes of all dessins with N edges and the equivalence classes of all pairs of permutations whose entries generate a transitive subgroup of the symmetric group of degree N.
en-copyright=
kn-copyright=
en-aut-name=HorieMadoka
en-aut-sei=Horie
en-aut-mei=Madoka
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Graduate School of Science, Tohoku University
kn-affil=
en-keyword=dessin d’enfants
kn-keyword=dessin d’enfants
en-keyword=symmetric group
kn-keyword=symmetric group
en-keyword=combinatorics
kn-keyword=combinatorics
en-keyword=Riemann surface
kn-keyword=Riemann surface
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=175
end-page=218
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Blowup and global existence of a solution to a semilinear reaction-diffusion system with the fractional Laplacian
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we deal with the semilinear reaction diffusion system with the fractional Laplacian.
where p,q > 1 and 0 < α < 1. We study the existence of a global in time solution, the blowup of a solution, and the life span of the blowup solution to the above reaction-diffusion system for sufficiently small initial data.
en-copyright=
kn-copyright=
en-aut-name=KakehiTomoyuki
en-aut-sei=Kakehi
en-aut-mei=Tomoyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=OshitaYoshihito
en-aut-sei=Oshita
en-aut-mei=Yoshihito
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=Department of Mathematics, Okayama University
kn-affil=
affil-num=2
en-affil=Department of Mathematics, Okayama University
kn-affil=
en-keyword=Reaction diffusion system
kn-keyword=Reaction diffusion system
en-keyword=fractional Laplacian
kn-keyword=fractional Laplacian
en-keyword=global existence
kn-keyword=global existence
en-keyword=blowup
kn-keyword=blowup
en-keyword=life span
kn-keyword=life span
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=149
end-page=174
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Scattering and semi-classical asymptotics for periodic Schrödinger operators with oscillating decaying potential
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In the semi-classical regime (i.e., h ↘ 0), we study the effect of an oscillating decaying potential V (hy, y) on the periodic Schrödinger operator H. The potential V (x, y) is assumed to be smooth, periodic with respect to y and tends to zero as |x| → ∞. We prove the existence of O(h−n) eigenvalues in each gap of the operator H + V (hy, y). We also establish a Weyl type asymptotics formula of the counting function of eigenvalues with optimal remainder estimate. We give a weak and pointwise asymptotic expansions in powers of h of the spectral shift function corresponding to the pair (H + V (hy, y),H). Finally, under some analytic assumption on the potential V we prove the existence of shape resonances, and we give their asymptotic expansions in powers of h1/2. All our results depend on the Floquet eigenvalues corresponding to the periodic Schrödinger operator H +V (x, y), (here x is a parameter).
en-copyright=
kn-copyright=
en-aut-name=DimassiMouez
en-aut-sei=Dimassi
en-aut-mei=Mouez
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=Anh Tuan Duong
en-aut-sei=Anh Tuan Duong
en-aut-mei=
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=Universit´e Bordeaux I, Institut de Math´ematiques de Bordeaux
kn-affil=
affil-num=2
en-affil=Department of Mathematics, Hanoi National University of Education
kn-affil=
en-keyword=Periodic Schrödinger operator
kn-keyword=Periodic Schrödinger operator
en-keyword=oscillating potential
kn-keyword=oscillating potential
en-keyword=spectral shift function
kn-keyword=spectral shift function
en-keyword=asymptotic expansions
kn-keyword=asymptotic expansions
en-keyword=resonances
kn-keyword=resonances
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=141
end-page=147
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On the (1 − C2) condition
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we give some results on (1 − C2)−modules and 1−continuous modules.
en-copyright=
kn-copyright=
en-aut-name=Le Van An
en-aut-sei=Le Van An
en-aut-mei=
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=Nguyen Thi Hai Anh
en-aut-sei=Nguyen Thi Hai Anh
en-aut-mei=
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=Ngo Sy Tung
en-aut-sei=Ngo Sy Tung
en-aut-mei=
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=Department of Natural Education, Ha Tinh University
kn-affil=
affil-num=2
en-affil=Department of Natural Education, Ha Tinh University
kn-affil=
affil-num=3
en-affil=Department of Mathematics, Vinh University
kn-affil=
en-keyword=injective module
kn-keyword=injective module
en-keyword=continuous module
kn-keyword=continuous module
en-keyword=uniform module
kn-keyword=uniform module
en-keyword=UC module
kn-keyword=UC module
en-keyword=distributive module
kn-keyword=distributive module
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=131
end-page=140
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Higher-dimensional absolute versions of symmetric, Frobenius, and quasi-Frobenius algebras
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we define and discuss higher-dimensional and absolute versions of symmetric, Frobenius, and quasi-Frobenius algebras. In particular, we compare these with the relative notions defined by Scheja and Storch. We also prove the validity of codimension two-argument for modules over a coherent sheaf of algebras with a 2-canonical module, generalizing a result of the author.
en-copyright=
kn-copyright=
en-aut-name=HashimotoMitsuyasu
en-aut-sei=Hashimoto
en-aut-mei=Mitsuyasu
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Department of Mathematics Faculty of Science, Okayama University
kn-affil=
en-keyword=canonical module
kn-keyword=canonical module
en-keyword=symmetric algebra
kn-keyword=symmetric algebra
en-keyword=Frobenius algebra
kn-keyword=Frobenius algebra
en-keyword=quasi-Frobenius algebra
kn-keyword=quasi-Frobenius algebra
en-keyword=n-canonical module
kn-keyword=n-canonical module
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=117
end-page=130
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A note on balance equations for doubly periodic minimal surfaces
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Most known examples of doubly periodic minimal surfaces in R3 with parallel ends limit as a foliation of R3 by horizontal noded planes, with the location of the nodes satisfying a set of balance equations. Conversely, for each set of points providing a balanced configuration, there is a corresponding three-parameter family of doubly periodic minimal surfaces. In this note we derive a differential equation that is equivalent to the balance equations for doubly periodic minimal surfaces. This allows for the generation of many more solutions to the balance equations, enabling the construction of increasingly complicated surfaces.
en-copyright=
kn-copyright=
en-aut-name=ConnorPeter
en-aut-sei=Connor
en-aut-mei=Peter
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Department of Mathematical Sciences, Indiana University South Bend
kn-affil=
en-keyword=minimal surfaces
kn-keyword=minimal surfaces
en-keyword=doubly periodic
kn-keyword=doubly periodic
en-keyword=balance equations
kn-keyword=balance equations
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=113
end-page=116
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A remark on the Lavallee-Spearman-Williams-Yang family of quadratic fields
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In [4], M. J. Lavallee, B. K. Spearman, K. S. Williams and Q. Yang introduced a certain parametric D5-quintic polynomial and studied its splitting field. The present paper gives an infinite family of quadratic fields with class number divisible by 5 by using properties of its polynomial.
en-copyright=
kn-copyright=
en-aut-name=KimKwang-Seob
en-aut-sei=Kim
en-aut-mei=Kwang-Seob
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=KishiYasuhiro
en-aut-sei=Kishi
en-aut-mei=Yasuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=School of Mathematics, Korea Institute for Advanced Study
kn-affil=
affil-num=2
en-affil=Department of Mathematics, Aichi University of Education
kn-affil=
en-keyword=Class numbers
kn-keyword=Class numbers
en-keyword=Quadratic fields
kn-keyword=Quadratic fields
en-keyword=D5-polynomials
kn-keyword=D5-polynomials
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=93
end-page=111
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Gauss maps of cuspidal edges in hyperbolic 3-space, with application to flat fronts
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We study singularities of de Sitter Gauss map images of cuspidal edges in hyperbolic 3-space. We show relations between singularities of de Sitter Gauss map images and differential geometric properties of cuspidal edges. Moreover, we apply this result to flat fronts in hyperbolic 3-space.
en-copyright=
kn-copyright=
en-aut-name=OgataYuta
en-aut-sei=Ogata
en-aut-mei=Yuta
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TeramotoKeisuke
en-aut-sei=Teramoto
en-aut-mei=Keisuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=Department of Mathematics, Graduate School of Science, Kobe University
kn-affil=
affil-num=2
en-affil=Department of Mathematics, Graduate School of Science, Kobe University
kn-affil=
en-keyword=cuspidal edge
kn-keyword=cuspidal edge
en-keyword=swallowtail
kn-keyword=swallowtail
en-keyword=de Sitter Gauss map image
kn-keyword=de Sitter Gauss map image
en-keyword=singularity
kn-keyword=singularity
en-keyword=flat front
kn-keyword=flat front
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=81
end-page=92
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=An arithmetic function arising from the Dedekind ψ function
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We define ψ‾ to be the multiplicative arithmetic function that satisfies
for all primes p and positive integers α. Let λ(n) be the number of iterations of the function ψ‾ needed for n to reach 2. It follows from a theorem due to White that λ is additive. Following Shapiro's work on the iterated φ function, we determine bounds for λ. We also use the function λ to partition the set of positive integers into three sets S1, S2, S3 and determine some properties of these sets.
en-copyright=
kn-copyright=
en-aut-name=DefantColin
en-aut-sei=Defant
en-aut-mei=Colin
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Department of Mathematics, University of Florida
kn-affil=
en-keyword=Iterated function
kn-keyword=Iterated function
en-keyword=Dedekind function
kn-keyword=Dedekind function
en-keyword=additive function
kn-keyword=additive function
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=71
end-page=79
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Evaluation of convolution sums and some remarks on cusp forms of weight 4 and level 12
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this note, we evaluate certain convolution sums and make some remarks about the Fourier coefficients of cusp forms of weight 4 for Γ0(12). We express the normalized newform of weight 4 on Γ0(12) as a linear combination of the (quasimodular) Eisenstein series (of weight 2) E2(dz), d|12 and their derivatives. Now, by comparing the work of Alaca-Alaca-Williams [1] with our results, as a consequence, we express the coefficients c1,12(n) and c3,4(n) that appear in [1, Eqs.(2.7) and (2.12)] in terms of linear combination of the Fourier coefficients of newforms of weight 4 on Γ0(6) and Γ0(12). The properties of c1,12(n) and c3,4(n) that are derived in [1] now follow from the properties of the Fourier coefficients of the newforms mentioned above. We also express the newforms as a linear combination of certain eta-quotients and obtain an identity involving eta-quotients.
en-copyright=
kn-copyright=
en-aut-name=RamakrishhanB.
en-aut-sei=Ramakrishhan
en-aut-mei=B.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=SahuBrundaban
en-aut-sei=Sahu
en-aut-mei=Brundaban
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=Harish-Chandra Research Institute
kn-affil=
affil-num=2
en-affil=School of Mathematical Sciences National Institute of Science Education and Research
kn-affil=
en-keyword=convolution sums of the divisor function
kn-keyword=convolution sums of the divisor function
en-keyword=Fourier coeffificients
kn-keyword=Fourier coeffificients
en-keyword=newforms of integral weight
kn-keyword=newforms of integral weight
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=41
end-page=70
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On a non-abelian generalization of the Bloch–Kato exponential map
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The present paper establishes a non-abelian generalization of the Bloch–Kato exponential map. Then, we relate p-adic polylogarithms introduced by Coleman to `-adic polylogarithms introduced by Wojtkowiak. This formula is another analog of the Coleman–Ihara formula obtained by Nakamura, Wojtkowiak, and the author.
en-copyright=
kn-copyright=
en-aut-name=SakugawaKenji
en-aut-sei=Sakugawa
en-aut-mei=Kenji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Department of Mathematics Graduate School of Science, Osaka University
kn-affil=
en-keyword=Bloch–Kato exponential map
kn-keyword=Bloch–Kato exponential map
en-keyword=Non-abelian p-adic Hodge theory
kn-keyword=Non-abelian p-adic Hodge theory
en-keyword=Coleman–Ihara formula
kn-keyword=Coleman–Ihara formula
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=27
end-page=40
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=The degree of set-valued mappings from ANR spaces to homology spheres
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=An admissible mapping is a set-valued mapping which has a selected pair of continuous mappings. In this paper, we study the degree of admissible mappings from ANR spaces to homology spheres and prove the uniqueness of the degree under some conditions.
en-copyright=
kn-copyright=
en-aut-name=ShitandaYoshimi
en-aut-sei=Shitanda
en-aut-mei=Yoshimi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=School of political science and economics, Meiji University
kn-affil=
en-keyword=Gysin-Smith sequence
kn-keyword=Gysin-Smith sequence
en-keyword=Vietoris-Begle mapping theorem
kn-keyword=Vietoris-Begle mapping theorem
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=21
end-page=25
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Some examples of non-tidy spaces
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We construct a free Z2-space Xn for a positive integer n such that w1(Xn)n ≠ 0 but there is no Z2-map from S2 to Xn.
en-copyright=
kn-copyright=
en-aut-name=MatsushitaTakahiro
en-aut-sei=Matsushita
en-aut-mei=Takahiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=Graduate School of Mathematical Sciences, The University of Tokyo
kn-affil=
END
start-ver=1.4
cd-journal=joma
no-vol=59
cd-vols=
no-issue=1
article-no=
start-page=1
end-page=19
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201701
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Categorical characterization of strict morphisms of fs log schemes
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In the present paper, we study a categorical characterization of strict morphisms of fs log schemes. In particular, we prove that strictness of morphisms of fs log schemes is preserved by an arbitrary equivalence of categories between suitable categories of fs log schemes. The main result of the present paper leads us to a relatively simple alternative proof of a result on a categorical representation of fs log schemes proved by S. Mochizuki.
en-copyright=
kn-copyright=
en-aut-name=HoshiYuichiro
en-aut-sei=Hoshi
en-aut-mei=Yuichiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=NakayamaChikara
en-aut-sei=Nakayama
en-aut-mei=Chikara
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=Research Institute for Mathematical Sciences, Kyoto University
kn-affil=
affil-num=2
en-affil=Department of Economics, Hitotsubashi University
kn-affil=
en-keyword=fs log scheme
kn-keyword=fs log scheme
en-keyword=strict morphism
kn-keyword=strict morphism
en-keyword=fs log point
kn-keyword=fs log point
END
start-ver=1.4
cd-journal=joma
no-vol=58
cd-vols=
no-issue=1
article-no=
start-page=183
end-page=198
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2016
dt-pub=201601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=The positivity of the transmutation operators associated to the Cherednik operators for the root system $BC_2$
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We consider the transmutation operators Vk, tVk and V W k , tV W k associated respectively with the Cherednik operators and the Heckman-Opdam theory attached to the root system BC2, called also in [8, 9, 10] the trigonometric Dunkl intertwining operators, and their dual. In this paper we prove that the operators Vk, tVk and VWk , tVWk are positivity preserving and allows positive integral representations. In particular we deduce that the Opdam-Cherednik and the Heckman-Opdam kernels are positive definite.
en-copyright=
kn-copyright=
en-aut-name=TRIMÈCHEKhalifa
en-aut-sei=TRIMÈCHE
en-aut-mei=Khalifa
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Faculty of Science of Tunis University Tunis El-Manar
en-keyword=Cherednik operators-Root system of type BC2
kn-keyword=Cherednik operators-Root system of type BC2
en-keyword=Transmutation operators
kn-keyword=Transmutation operators
en-keyword=The trigonometric Dunkl intertwining operator and its dual
kn-keyword=The trigonometric Dunkl intertwining operator and its dual
END
start-ver=1.4
cd-journal=joma
no-vol=58
cd-vols=
no-issue=1
article-no=
start-page=169
end-page=182
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2016
dt-pub=201601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On weakly separable polynomials and weakly quasi-separable polynomials over rings
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Separable extensions of noncommutative rings have already been studied extensively. Recently, N. Hamaguchi and A. Nakajima introduced the notions of weakly separable extensions and weakly quasiseparable extensions. They studied weakly separable polynomials and weakly quasi-separable polynomials in the case that the coefficient ring is commutative. The purpose of this paper is to give some improvements and generalizations of Hamaguchi and Nakajima's results. We shall characterize a weakly separable polynomial f(X) over a commutative ring by using its derivative f′(X) and its discriminant δ(f(X)). Further, we shall try to give necessary and sufficient conditions for weakly separable polynomials in skew polynomial rings in the case that the coefficient ring is noncommutative.
en-copyright=
kn-copyright=
en-aut-name=YamanakaSatoshi
en-aut-sei=Yamanaka
en-aut-mei=Satoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Graduate School of Natural Science and Technology Okayama University
en-keyword=separable extension
kn-keyword=separable extension
en-keyword=quasi-separable extension
kn-keyword=quasi-separable extension
en-keyword=weakly separable extension
kn-keyword=weakly separable extension
en-keyword=weakly quasi-separable extension
kn-keyword=weakly quasi-separable extension
en-keyword=skew polynomial ring
kn-keyword=skew polynomial ring
en-keyword=derivation
kn-keyword=derivation
END
start-ver=1.4
cd-journal=joma
no-vol=58
cd-vols=
no-issue=1
article-no=
start-page=159
end-page=167
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2016
dt-pub=201601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Restriction on Galois groups by prime inert condition
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we study number fields K with the property that every prime factor of the degree of K remains prime in K. We determine all types of Galois groups of such K up to degree nine and find that Wang's non-existence in cyclic octic case is exceptionally undetermined by our group-theoretic criterion.
en-copyright=
kn-copyright=
en-aut-name=KomatsuToru
en-aut-sei=Komatsu
en-aut-mei=Toru
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Faculty of Science and Technology Tokyo University of Science
en-keyword=Inverse Galois theory
kn-keyword=Inverse Galois theory
en-keyword=prime factorization
kn-keyword=prime factorization
END
start-ver=1.4
cd-journal=joma
no-vol=58
cd-vols=
no-issue=1
article-no=
start-page=141
end-page=158
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2016
dt-pub=201601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Alternative approach for Siegel's lemma
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this article, we present an alternative approach to show a generalization of Siegel's lemma which is an essential tool in Diophantine problems. Our main statement contains the so-called analytic Siegel's lemma as well as the Bombieri-Vaaler lemma. Our proof avoids relying on the ordinary geometry of numbers.
en-copyright=
kn-copyright=
en-aut-name=NagataMakoto
en-aut-sei=Nagata
en-aut-mei=Makoto
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Osaka University of Pharmaceutical Sciences
en-keyword=Siegel’s lemma
kn-keyword=Siegel’s lemma
en-keyword=geometry of numbers
kn-keyword=geometry of numbers
en-keyword=height
kn-keyword=height
END
start-ver=1.4
cd-journal=joma
no-vol=58
cd-vols=
no-issue=1
article-no=
start-page=133
end-page=140
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2016
dt-pub=201601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On finite rings over which every free codes is splitting
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we study the structure of finite rings over which all free codes are splitting. In particular, we show that over the matrix rings over finite local rings all free codes are splitting.
en-copyright=
kn-copyright=
en-aut-name=HiranoYasuyuki
en-aut-sei=Hirano
en-aut-mei=Yasuyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Naruto university of Education
en-keyword=finite rings
kn-keyword=finite rings
en-keyword=ring-linear codes
kn-keyword=ring-linear codes
en-keyword=free codes
kn-keyword=free codes
END
start-ver=1.4
cd-journal=joma
no-vol=58
cd-vols=
no-issue=1
article-no=
start-page=125
end-page=132
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2016
dt-pub=201601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On a duality of Gras between totally positive and primary cyclotomic units
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Let K be a real abelian field of odd degree over Q, and C the group of cyclotomic units of K. We denote by C+ and C0 the totally positive and primary elements of C, respectively. G. Gras found a duality between the Galois modules C+/C2 and C0/C2 by some ingenious calculation on cyclotomic units. We give an alternative proof using a consequence (=“Gras conjecture”) of the Iwasawa main conjecture and the standard reflection argument. We also give some related topics.
en-copyright=
kn-copyright=
en-aut-name=IchimuraHumio
en-aut-sei=Ichimura
en-aut-mei=Humio
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Faculty of Science, Ibaraki University
en-keyword=cyclotomic units
kn-keyword=cyclotomic units
en-keyword=reflection argument
kn-keyword=reflection argument
en-keyword=ideal class group
kn-keyword=ideal class group
END
start-ver=1.4
cd-journal=joma
no-vol=58
cd-vols=
no-issue=1
article-no=
start-page=109
end-page=123
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2016
dt-pub=201601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Another description of quasi tertiary composition
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We give another description of quasi tertiary composition in terms of horizontal and vertical compositions. As an application of the description and a modified result of Hardie-Kamps-Marcum-Oda, we see that any quasi tertiary composition has an indeterminacy.
en-copyright=
kn-copyright=
en-aut-name=ŌshimaHideaki
en-aut-sei=Ōshima
en-aut-mei=Hideaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=ŌshimaKatsumi
en-aut-sei=Ōshima
en-aut-mei=Katsumi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Ibaraki University
affil-num=2
en-affil=
kn-affil=
en-keyword=Toda bracket
kn-keyword=Toda bracket
en-keyword=tertiary composition
kn-keyword=tertiary composition
en-keyword=quasi tertiary composition
kn-keyword=quasi tertiary composition
en-keyword=horizontal composition
kn-keyword=horizontal composition
en-keyword=vertical composition
kn-keyword=vertical composition
END
start-ver=1.4
cd-journal=joma
no-vol=58
cd-vols=
no-issue=1
article-no=
start-page=79
end-page=108
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2016
dt-pub=201601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Aharonov--Bohm effect in resonances of magnetic Schrödinger operators in two dimensions III
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We study the Aharonov–Bohm effect (AB effect) in quantum resonances for magnetic scattering in two dimensions. The system consists of four scatters, two obstacles and two scalar potentials with compact support, which are largely separated from one another. The obstacles by which the magnetic fields are completely shielded are vertically placed between the supports of the two potentials. The system yields a two dimensional model of a toroidal scattering system in three dimensions. The resonances are shown to be generated near the real axis by the trajectories trapped between two supports of the scalar potentials as the distances between the scatterers go to infinity. We analyze how the AB effect influences the location of resonances. The result heavily depends on the width between the two obstacles as well as on the magnetic fluxes. The critical case is that the width is comparable to the square root of the distance between the supports of the two potentials.
en-copyright=
kn-copyright=
en-aut-name=TamuraHideo
en-aut-sei=Tamura
en-aut-mei=Hideo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Okayama University
en-keyword=Aharonov–Bohm effect
kn-keyword=Aharonov–Bohm effect
en-keyword=magnetic Schrödinger operator
kn-keyword=magnetic Schrödinger operator
en-keyword=resonances
kn-keyword=resonances
END
start-ver=1.4
cd-journal=joma
no-vol=58
cd-vols=
no-issue=1
article-no=
start-page=41
end-page=78
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2016
dt-pub=201601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Aharonov--Bohm effect in resonances of magnetic Schrödinger operators in two dimensions II
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We study the Aharonov–Bohm effect (AB effect) in quantum resonances for magnetic scattering in two dimensions. The system consists of four scatters, two obstacles and two scalar potentials with compact support, which are largely separated from one another. The obstacles by which the magnetic fields are completely shielded are horizontally placed between the supports of the two potentials. The fields do not influence particles from a classical mechanical point of view, but quantum particles are influenced by the corresponding vector potential which does not necessarily vanish outside the obstacle. This quantum phenomenon is called the AB effect. The resonances are shown to be generated near the real axis by the trajectories trapped between two supports of the scalar potentials as the distances between the scatterers go to infinity. We analyze how the AB effect influences the location of resonances. The result is described in terms of the backward amplitudes for scattering by each of the scalar potentials, and it depends heavily on the ratios of the distances between the four scatterers as well as on the magnetic fluxes of the fields.
en-copyright=
kn-copyright=
en-aut-name=TamuraHideo
en-aut-sei=Tamura
en-aut-mei=Hideo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Okayama University
en-keyword=Aharonov–Bohm effect
kn-keyword=Aharonov–Bohm effect
en-keyword=magnetic Schrödinger operator
kn-keyword=magnetic Schrödinger operator
en-keyword=resonances
kn-keyword=resonances
END
start-ver=1.4
cd-journal=joma
no-vol=58
cd-vols=
no-issue=1
article-no=
start-page=1
end-page=39
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2016
dt-pub=201601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Asymptotic properties in forward directions of resolvent kernels of magnetic Schrödinger operators in two dimensions
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We study the asymptotic properties in forward directions of resolvent kernels with spectral parameters in the lower half plane (unphysical sheet) of the complex plane for magnetic Schrödinger operators in two dimensions. The asymptotic formula obtained has an application to the problem of quantum resonances in magnetic scattering, and it is especially helpful in studying how the Aharonov–Bohm effect influences the location of resonances. Here we mention only the results without proofs.
en-copyright=
kn-copyright=
en-aut-name=TamuraHideo
en-aut-sei=Tamura
en-aut-mei=Hideo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Okayama University
en-keyword=Aharonov–Bohm effect
kn-keyword=Aharonov–Bohm effect
en-keyword=magnetic Schrödinger operator
kn-keyword=magnetic Schrödinger operator
en-keyword=resolvent kernel
kn-keyword=resolvent kernel
en-keyword=resonances
kn-keyword=resonances
END
start-ver=1.4
cd-journal=joma
no-vol=57
cd-vols=
no-issue=1
article-no=
start-page=173
end-page=200
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201501
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ZERO MEAN CURVATURE SURFACES IN LORENTZ-MINKOWSKI 3-SPACE AND 2-DIMENSIONAL FLUID MECHANICS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Space-like maximal surfaces and time-like minimal surfaces
in Lorentz-Minkowski 3-space R31 are both characterized as zero mean
curvature surfaces. We are interested in the case where the zero mean
curvature surface changes type from space-like to time-like at a given
non-degenerate null curve. We consider this phenomenon and its interesting connection to 2-dimensional fluid mechanics in this expository
article.
en-copyright=
kn-copyright=
en-aut-name=FujimoriShoichi
en-aut-sei=Fujimori
en-aut-mei=Shoichi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=KimYoung Wook
en-aut-sei=Kim
en-aut-mei=Young Wook
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=KohSung-Eun
en-aut-sei=Koh
en-aut-mei=Sung-Eun
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=RossmanWayne
en-aut-sei=Rossman
en-aut-mei=Wayne
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=ShinHeayong
en-aut-sei=Shin
en-aut-mei=Heayong
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=UmeharaMasaaki
en-aut-sei=Umehara
en-aut-mei=Masaaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=YamadaKotaro
en-aut-sei=Yamada
en-aut-mei=Kotaro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=YangSeong-Deog
en-aut-sei=Yang
en-aut-mei=Seong-Deog
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Faculty of Science, Okayama University
affil-num=2
en-affil=
kn-affil=Department of Mathematics, Korea University
affil-num=3
en-affil=
kn-affil=Department of Mathematics, Konkuk University
affil-num=4
en-affil=
kn-affil=Department of Mathematics, Faculty of Science, Kobe University
affil-num=5
en-affil=
kn-affil=Department of Mathematics, Chung-Ang University
affil-num=6
en-affil=
kn-affil=Department of Mathematical and Computing Sciences, Tokyo Institute of Technology
affil-num=7
en-affil=
kn-affil=Department of Mathematics, Tokyo Institute of Technology
affil-num=8
en-affil=
kn-affil=Department of Mathematics, Korea University
en-keyword=maximal surface
kn-keyword=maximal surface
en-keyword=type change
kn-keyword=type change
en-keyword=zero mean curvature
kn-keyword=zero mean curvature
en-keyword=subsonic flow
kn-keyword=subsonic flow
en-keyword=supersonic flow
kn-keyword=supersonic flow
en-keyword=stream function
kn-keyword=stream function
END
start-ver=1.4
cd-journal=joma
no-vol=57
cd-vols=
no-issue=1
article-no=
start-page=159
end-page=172
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201501
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ENUMERATIVE COMBINATORICS ON DETERMINANTS AND SIGNED BIGRASSMANNIAN POLYNOMIALS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=As an application of linear algebra for enumerative combinatorics,
we introduce two new ideas, signed bigrassmannian polynomials
and bigrassmannian determinant. First, a signed bigrassmannian
polynomial is a variant of the statistic given by the number of bigrassmannian
permutations below a permutation in Bruhat order as Reading
suggested (2002) and afterward the author developed (2011). Second,
bigrassmannian determinant is a q-analog of the determinant with respect
to our statistic. It plays a key role for a determinantal expression
of those polynomials. We further show that bigrassmannian determinant
satisfies weighted condensation as a generalization of Dodgson,
Jacobi-Desnanot and Robbins-Rumsey (1986).
en-copyright=
kn-copyright=
en-aut-name=KobayashiMasato
en-aut-sei=Kobayashi
en-aut-mei=Masato
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Graduate School of Science and Engineering Department of Mathematics Saitama University
en-keyword=Bigrassmannian permutations
kn-keyword=Bigrassmannian permutations
en-keyword=Bruhat order
kn-keyword=Bruhat order
en-keyword=Permutation statistics
kn-keyword=Permutation statistics
en-keyword=Robbins-Rumsey determinant
kn-keyword=Robbins-Rumsey determinant
en-keyword=Symmetric Groups
kn-keyword=Symmetric Groups
en-keyword=Tournaments
kn-keyword=Tournaments
en-keyword=Vandermonde determinant
kn-keyword=Vandermonde determinant
END
start-ver=1.4
cd-journal=joma
no-vol=57
cd-vols=
no-issue=1
article-no=
start-page=149
end-page=158
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201501
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ON ∅-RECURRENT CONTACT METRIC MANIFOLDS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we prove that evry 3-dimensional manifold
M is a ∅-recurrent N(k)-contact metric manifold if and only if it is flat.
Then we classify the ∅-recurrent contact metric manifolds of constant
curvature. This implies that there exists no ∅-recurrent N(k)-contact
metric manifold, which is neither symmetric nor locally ∅-symmetric.
en-copyright=
kn-copyright=
en-aut-name=PeyghanEsmaeil
en-aut-sei=Peyghan
en-aut-mei=Esmaeil
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=NasrabadiHassan
en-aut-sei=Nasrabadi
en-aut-mei=Hassan
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=TayebiAkbar
en-aut-sei=Tayebi
en-aut-mei=Akbar
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Faculty of Science Arak University
affil-num=2
en-affil=
kn-affil=Department of Mathematics, Faculty of Science Arak University
affil-num=3
en-affil=
kn-affil=Department of Mathematics, Faculty of Science University of Qom
en-keyword=Constant curvature
kn-keyword=Constant curvature
en-keyword=Locally ∅-symmetric
kn-keyword=Locally ∅-symmetric
en-keyword=N(k)-contact metric manifold
kn-keyword=N(k)-contact metric manifold
en-keyword=∅-recurrent
kn-keyword=∅-recurrent
END
start-ver=1.4
cd-journal=joma
no-vol=57
cd-vols=
no-issue=1
article-no=
start-page=129
end-page=148
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201501
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=AN EXPLICIT EFFECT OF NON-SYMMETRY OF RANDOM WALKS ON THE TRIANGULAR LATTICE
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In the present paper, we study an explicit effect of non-symmetry on asymptotics of the n-step transition probability as n → ∞
for a class of non-symmetric random walks on the triangular lattice. Realizing the triangular lattice into R2 appropriately, we observe that the
Euclidean distance in R2 naturally appears in the asymptotics. We characterize this realization from a geometric view point of Kotani-Sunada’s
standard realization of crystal lattices. As a corollary of the main theorem, we obtain that the transition semigroup generated by the non-symmetric random walk approximates the heat semigroup generated by
the usual Brownian motion on R2.
en-copyright=
kn-copyright=
en-aut-name=IshiwataSatoshi
en-aut-sei=Ishiwata
en-aut-mei=Satoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=KawabiHiroshi
en-aut-sei=Kawabi
en-aut-mei=Hiroshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=TeruyaTsubasa
en-aut-sei=Teruya
en-aut-mei=Tsubasa
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematical Sciences, Faculty of Science Yamagata University
affil-num=2
en-affil=
kn-affil=Department of Mathematics, Faculty of Science Okayama University
affil-num=3
en-affil=
kn-affil=The Okinawa Kaiho Bank, Ltd.
en-keyword=Non-symmetric random walk
kn-keyword=Non-symmetric random walk
en-keyword=asymptotic expansion
kn-keyword=asymptotic expansion
en-keyword=triangular lattice
kn-keyword=triangular lattice
en-keyword=standard realization
kn-keyword=standard realization
END
start-ver=1.4
cd-journal=joma
no-vol=57
cd-vols=
no-issue=1
article-no=
start-page=123
end-page=128
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201501
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=THE EQUIVARIANT SIMPLICIAL DE RHAM COMPLEX AND THE CLASSIFYING SPACE OF A SEMI-DIRECT PRODUCT GROUP
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We show that the cohomology group of the total complex
of the equivariant simplicial de Rham complex is isomorphic to the cohomology
group of the classifying space of a semi-direct product group.
en-copyright=
kn-copyright=
en-aut-name=SuzukiNaoya
en-aut-sei=Suzuki
en-aut-mei=Naoya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Graduate School of Mathematics, Nagoya University
en-keyword=simplicial de Rham complex
kn-keyword=simplicial de Rham complex
en-keyword=classifying space
kn-keyword=classifying space
END
start-ver=1.4
cd-journal=joma
no-vol=57
cd-vols=
no-issue=1
article-no=
start-page=111
end-page=122
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201501
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=THE CANONICAL LINE BUNDLES OVER EQUIVARIANT REAL PROJECTIVE SPACES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=A generator of the reduced KO-group of the real projective space of dimension n is related to the canonical line bundle γ. In
the present paper, we will prove that for a finite group G of odd order and a real G-representation U of dimension 2n, in the reduced G-equivariant KO-group of the real projective space associated with the
G-representation R ⊕ U, the element 2n+2[γ] is equal to zero.
en-copyright=
kn-copyright=
en-aut-name=QiYan
en-aut-sei=Qi
en-aut-mei=Yan
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Graduate School of Natural Science and Technology Okayama University
en-keyword=equivariant real vector bundle
kn-keyword=equivariant real vector bundle
en-keyword=group action
kn-keyword=group action
en-keyword=real projective space
kn-keyword=real projective space
en-keyword=canonical line bundle
kn-keyword=canonical line bundle
en-keyword=product bundle
kn-keyword=product bundle
END
start-ver=1.4
cd-journal=joma
no-vol=57
cd-vols=
no-issue=1
article-no=
start-page=99
end-page=110
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201501
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=SUPPLEMENTED MORPHISMS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In the present paper, left R-modules M and N are studied
under the assumptions that HomR(M,N) is supplemented. It is shown
that Hom(M,N) is (⊕, G*, amply)-supplemented if and only if N is
(⊕, G*, amply)-supplemented. Some applications to cosemisimple modules,
refinable modules and UCC-modules are presented. Finally, the
relationship between the Jacobson radical J[M,N] of HomR(M,N) and
HomR(M,N) is supplemented are investigated. Let M be a finitely generated,
self-projective left R-module and N ∈ Gen(M). We show that if
Hom(M,N) is supplemented and N has GD2 then Hom(M,N)/J(M,N)
is semisimple as a left EM-module.
en-copyright=
kn-copyright=
en-aut-name=KörArda
en-aut-sei=Kör
en-aut-mei=Arda
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=QuynhTruong Cong
en-aut-sei=Quynh
en-aut-mei=Truong Cong
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=ŞahinkayaSerap
en-aut-sei=Şahinkaya
en-aut-mei=Serap
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=KoşanMuhammet Tamer
en-aut-sei=Koşan
en-aut-mei=Muhammet Tamer
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Gebze Institute of Technology
affil-num=2
en-affil=
kn-affil=Department of Mathematics Danang University
affil-num=3
en-affil=
kn-affil=Department of Mathematics, Gebze Institute of Technology
affil-num=4
en-affil=
kn-affil=Department of Mathematics, Gebze Institute of Technology
en-keyword=regular module
kn-keyword=regular module
en-keyword=supplemented module
kn-keyword=supplemented module
END
start-ver=1.4
cd-journal=joma
no-vol=57
cd-vols=
no-issue=1
article-no=
start-page=85
end-page=98
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201501
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=STEENROD-ČECH HOMOLOGY-COHOMOLOGY THEORIES ASSOCIATED WITH BIVARIANT FUNCTORS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Let NG0 denote the category of all pointed numerically
generated spaces and continuous maps preserving base-points. In [SYH],
we described a passage from bivariant functors NG0op
× NG0 → NG0
to generalized homology and cohomology theories. In this paper, we
construct a bivariant functor such that the associated cohomology is
the Čech cohomology and the homology is the Steenrod homology (at
least for compact metric spaces).
en-copyright=
kn-copyright=
en-aut-name=YoshidaKohei
en-aut-sei=Yoshida
en-aut-mei=Kohei
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Kyoto Rakuhoku High School
en-keyword=Čech cohomologies
kn-keyword=Čech cohomologies
en-keyword=Steenrod homologies
kn-keyword=Steenrod homologies
en-keyword=bivariant functors
kn-keyword=bivariant functors
END
start-ver=1.4
cd-journal=joma
no-vol=57
cd-vols=
no-issue=1
article-no=
start-page=79
end-page=84
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201501
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ON MODEL STRUCTURE FOR COREFLECTIVE SUBCATEGORIES OF A MODEL CATEGORY
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=HaraguchiTadayuki
en-aut-sei=Haraguchi
en-aut-mei=Tadayuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of General Education Oita National College of Technology
en-keyword=model category
kn-keyword=model category
en-keyword=Quillen equivalence
kn-keyword=Quillen equivalence
en-keyword=numerically generated space
kn-keyword=numerically generated space
END
start-ver=1.4
cd-journal=joma
no-vol=57
cd-vols=
no-issue=1
article-no=
start-page=13
end-page=78
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201501
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=QUASI TERTIARY COMPOSITIONS AND A TODA BRACKET IN HOMOTOPY GROUPS OF SU(3)
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We revise the theories of tertiary compositions studied by
Ôguchi and Mimura. As a byproduct, we determine a Toda bracket
in homotopy groups of SU(3) which solves an ambiguity in a previous
paper of Maruyama and the first author.
en-copyright=
kn-copyright=
en-aut-name=ŌshimaHideaki
en-aut-sei=Ōshima
en-aut-mei=Hideaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=ŌshimaKatsumi
en-aut-sei=Ōshima
en-aut-mei=Katsumi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Ibaraki University
affil-num=2
en-affil=
kn-affil=
en-keyword=Toda bracket
kn-keyword=Toda bracket
en-keyword=tertiary composition
kn-keyword=tertiary composition
en-keyword=quasi tertiary composition
kn-keyword=quasi tertiary composition
en-keyword=homotopy group
kn-keyword=homotopy group
en-keyword=special unitary group
kn-keyword=special unitary group
en-keyword=Samelson product
kn-keyword=Samelson product
END
start-ver=1.4
cd-journal=joma
no-vol=57
cd-vols=
no-issue=1
article-no=
start-page=1
end-page=12
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201501
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=MODULAR DIFFERENTIAL EQUATIONS WITH REGULAR SINGULARITIES AT ELLIPTIC POINTS FOR THE HECKE CONGRUENCE SUBGROUPS OF LOW-LEVELS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we give explicit expressions of modular differential equations with regular singularities at elliptic points for the Hecke
subgroups of level 2, 3, and 4, and their solutions expressed in terms of
the Gauss hypergeometric series. We also give quasimodular-form solutions for some modular differential equations.
en-copyright=
kn-copyright=
en-aut-name=SakaiYuichi
en-aut-sei=Sakai
en-aut-mei=Yuichi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=ShimizuKenichi
en-aut-sei=Shimizu
en-aut-mei=Kenichi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=
affil-num=2
en-affil=
kn-affil=
en-keyword=modular/quasimodular form
kn-keyword=modular/quasimodular form
en-keyword=differential equations
kn-keyword=differential equations
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=179
end-page=198
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ON THE SOLVABILITY OF CERTAIN (SSIE) WITH OPERATORS OF THE FORM B(r, s)
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Given any sequence z = (zn)n≥1 of positive real numbers
and any set E of complex sequences, we write Ez for the set of all
sequences y = (yn)n≥1 such that y/z = (yn/zn)n≥1 ∈ E; in particular,
sz(c)
denotes the set of all sequences y such that y/z converges. In this
paper we deal with sequence spaces inclusion equations (SSIE), which
are determined by an inclusion each term of which is a sum or a sum
of products of sets of sequences of the form Xa(T) and Xx(T) where
a is a given sequence, the sequence x is the unknown, T is a given
triangle, and Xa(T) and Xx(T) are the matrix domains of T in the set X
. Here we determine the set of all positive sequences x for which the
(SSIE) sx(c)
(B(r, s)) sx(c)⊂
(B(r', s')) holds, where r, r', s' and s are real
numbers, and B(r, s) is the generalized operator of the first difference
defined by (B(r, s)y)n = ryn+syn−1 for all n ≥ 2 and (B(r, s)y)1 = ry1.
We also determine the set of all positive sequences x for which
ryn + syn−1 /xn
→ l implies
r'yn + s'yn−1
/xn
→ l (n → ∞) for all y
and for some scalar l. Finally, for a given sequence a, we consider the
a–Tauberian problem which consists of determining the set of all x such
that sx(c) (B(r, s)) ⊂ sa(c) .
en-copyright=
kn-copyright=
en-aut-name=MalafosseBruno de
en-aut-sei=Malafosse
en-aut-mei=Bruno de
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=MalkowskyEberhard
en-aut-sei=Malkowsky
en-aut-mei=Eberhard
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=LMAH Université du Havre
affil-num=2
en-affil=
kn-affil=Fatih University
en-keyword=Matrix transformations
kn-keyword=Matrix transformations
en-keyword=BK space
kn-keyword=BK space
en-keyword=the spaces sa, sa0 and sa(c)
kn-keyword=the spaces sa, sa0 and sa(c)
en-keyword=(SSIE)
kn-keyword=(SSIE)
en-keyword=(SSE) with operator
kn-keyword=(SSE) with operator
en-keyword=band matrix B(r, s)
kn-keyword=band matrix B(r, s)
en-keyword=Tauberian result
kn-keyword=Tauberian result
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=171
end-page=178
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=CONVEXITY PROPERTIES OF A NEW GENERAL INTEGRAL OPERATOR OF p-VALENT FUNCTIONS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we introduce a new general integral operator
and obtain the order of convexity of this integral operator.
en-copyright=
kn-copyright=
en-aut-name=BulutSerap
en-aut-sei=Bulut
en-aut-mei=Serap
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Kocaeli University Civil Aviation College Arslanbey Campus
en-keyword=Analytic function
kn-keyword=Analytic function
en-keyword=Multivalent function
kn-keyword=Multivalent function
en-keyword=Starlike function
kn-keyword=Starlike function
en-keyword=Convex function
kn-keyword=Convex function
en-keyword=Integral operator
kn-keyword=Integral operator
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=157
end-page=169
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=STUDY OF A PARABOLIC PROBLEM IN A CONICAL DOMAIN
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper we consider the heat equation with Dirichlet
boundary conditions in a conical domain. We look for a sufficient condition
on the lateral surface of the cone in order to have the optimal
regularity of the solution in an anisotropic Sobolev space when the right
hand side of the equation is in a Lebesgue space.
en-copyright=
kn-copyright=
en-aut-name=SadallahBoubaker-Khaled
en-aut-sei=Sadallah
en-aut-mei=Boubaker-Khaled
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Lab. PDE & Hist. Maths Ecole Normale Supérieure
en-keyword=Heat equation
kn-keyword=Heat equation
en-keyword=Parabolic equation
kn-keyword=Parabolic equation
en-keyword=Nonregular domain
kn-keyword=Nonregular domain
en-keyword=Cone
kn-keyword=Cone
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=145
end-page=155
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=THE BEST CONSTANT OF Lp SOBOLEV INEQUALITY CORRESPONDING TO DIRICHLET-NEUMANN BOUNDARY VALUE PROBLEM
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We have obtained the best constant of the following Lp
Sobolev inequality
sup
0≤y≤1|
u(j)(y)|
≤C (∫ 01
|
u(M)(x)|
p
dx)1/p
,
where u is a function satisfying u(M) ∈ Lp(0, 1), u(2i)(0) = 0 (0 ≤i ≤
[(M − 1)/2]) and u(2i+1)(1) = 0 (0 ≤ i ≤ [(M − 2)/2]), where u(i) is
the abbreviation of (d/dx)iu(x). In [9], the best constant of the above
inequality was obtained for the case of p = 2 and j = 0. This paper
extends the result of [9] under the conditions p > 1 and 0 ≤ j ≤ M −1.
The best constant is expressed by Bernoulli polynomials.
en-copyright=
kn-copyright=
en-aut-name=YamagishiHiroyuki
en-aut-sei=Yamagishi
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=WatanabeKohtaro
en-aut-sei=Watanabe
en-aut-mei=Kohtaro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=KametakaYoshinori
en-aut-sei=Kametaka
en-aut-mei=Yoshinori
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Tokyo Metropolitan College of Industrial Technology
affil-num=2
en-affil=
kn-affil=Department of Computer Science, National Defense Academy
affil-num=3
en-affil=
kn-affil=Faculty of Engineering Science, Osaka University
en-keyword=Lp Sobolev inequality
kn-keyword=Lp Sobolev inequality
en-keyword=Best constant
kn-keyword=Best constant
en-keyword=Green function
kn-keyword=Green function
en-keyword=Reproducing kernel
kn-keyword=Reproducing kernel
en-keyword=Bernoulli polynomial
kn-keyword=Bernoulli polynomial
en-keyword=Hölder inequality
kn-keyword=Hölder inequality
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=129
end-page=143
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=GROWTH OF SOLUTIONS OF HIGHER ORDER LINEAR DIFFERENTIAL EQUATIONS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=This paper is devoted to studying the growth of solutions
of the higher order nonhomogeneous linear differential equation
f(k) + Ak−1f(k−1) + ... + A2f
"
+ (D1 (z) + A1 (z) eP(z)) f
'
+ (D0 (z) + A0 (z)e Q(z)) f = F (k ≥ 2) ,
where P (z) , Q(z) are nonconstant polynomials such that deg P =
degQ = n and Aj (z) (j = 0, 1, ..., k − 1) , F (z) are entire functions
with max{p(Aj) (j = 0, 1, ..., k − 1) , p(Dj) (j = 0, 1)} < n. We also
investigate the relationship between small functions and the solutions of
the above equation.
en-copyright=
kn-copyright=
en-aut-name=FarissiAbdallah El
en-aut-sei=Farissi
en-aut-mei=Abdallah El
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=BelaïdiBenharrat
en-aut-sei=Belaïdi
en-aut-mei=Benharrat
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Laboratory of Pure and Applied Mathematics University of Mostaganem (UMAB)
affil-num=2
en-affil=
kn-affil=Department of Mathematics Laboratory of Pure and Applied Mathematics University of Mostaganem (UMAB)
en-keyword=Linear differential equations
kn-keyword=Linear differential equations
en-keyword=Entire solutions
kn-keyword=Entire solutions
en-keyword=Order of growth
kn-keyword=Order of growth
en-keyword=Exponent of convergence of zeros
kn-keyword=Exponent of convergence of zeros
en-keyword=Exponent of convergence of distinct zeros
kn-keyword=Exponent of convergence of distinct zeros
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=117
end-page=127
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=WEIL ALGEBRAS ASSOCIATED TO FUNCTORS OF THIRD ORDER SEMIHOLONOMIC VELOCITIES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The structure of Weil algebras associated to functors of
third order semiholonomic velocities is completely described including
the explicit expression of widths.
en-copyright=
kn-copyright=
en-aut-name=KurešMiroslav
en-aut-sei=Kureš
en-aut-mei=Miroslav
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Institute of Mathematics Brno University of Technology
en-keyword=Weil algebra
kn-keyword=Weil algebra
en-keyword=product preserving bundle
kn-keyword=product preserving bundle
en-keyword=semiholonomic jets
kn-keyword=semiholonomic jets
en-keyword=higher order velocities
kn-keyword=higher order velocities
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=91
end-page=115
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=EQUIVARIANT STABLE HOMOTOPY THEORY FOR PROPER ACTIONS OF DISCRETE GROUPS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Following ideas of Graeme Segal [Segal(1973)], [Segal(1968)],
Christian Schlichtkrull [Schlichtkrull(2007)] and Kazuhisa Shimakawa
[Shimakawa(1989)] we construct equivariant stable homotopy groups for
proper equivariant CW complexes with an action of a discrete group.
en-copyright=
kn-copyright=
en-aut-name=BárcenasNoé
en-aut-sei=Bárcenas
en-aut-mei=Noé
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Hausdorff Center for Mathematics Mathematisches Institut
en-keyword=proper actions
kn-keyword=proper actions
en-keyword=equivariant homotopy theory
kn-keyword=equivariant homotopy theory
en-keyword=configuration spaces
kn-keyword=configuration spaces
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=75
end-page=89
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A MODEL FOR THE WHITEHEAD PRODUCT IN RATIONAL MAPPING SPACES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We describe the Whitehead products in the rational homo-
topy group of a connected component of a mapping space in terms of
the André-Quillen cohomology. As a consequence, an upper bound for
the Whitehead length of a mapping space is given.
en-copyright=
kn-copyright=
en-aut-name=NaitoTakahito
en-aut-sei=Naito
en-aut-mei=Takahito
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematical Sciences, Faculty of Science, Shinshu University
en-keyword=mapping space
kn-keyword=mapping space
en-keyword=Whitehead product
kn-keyword=Whitehead product
en-keyword=rational homotopy theory
kn-keyword=rational homotopy theory
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=65
end-page=74
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=PRIME, MAXIMAL AND PRIMITIVE IDEALS IN SOME SUBRINGS OF POLYNOMIAL RINGS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper we describe prime, maximal and primitive
ideals in some graded subrings of polynomial rings. As applications the
corresponding radicals are determined.
en-copyright=
kn-copyright=
en-aut-name=FerreroMiguel
en-aut-sei=Ferrero
en-aut-mei=Miguel
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=MirandaEdilson Soares
en-aut-sei=Miranda
en-aut-mei=Edilson Soares
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Instituto de Matemática Universidade Federal do Rio Grande do Sul
affil-num=2
en-affil=
kn-affil=Departamento de Ciências Centro de Ciências Exatas Universidade Estadual de Maringá
en-keyword=admissible
kn-keyword=admissible
en-keyword=polynomial rings
kn-keyword=polynomial rings
en-keyword=prime ideal
kn-keyword=prime ideal
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=51
end-page=63
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=SUMS OF TWO BIQUADRATES AND ELLIPTIC CURVES OF RANK ≥ 4
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=If an integer n is written as a sum of two biquadrates in
two different ways, then the elliptic curve y2 = x3 − nx has positive
rank. We utilize Euler’s parametrization to introduce some homoge-
neous equations to prove that En has rank ≥ 3. If moreover n is odd
and the parity conjecture is true, then the curve has even rank ≥ 4.
Finally, some examples of ranks equal to 4, 5, 6, 7, 8 and 10, are also
obtained.
en-copyright=
kn-copyright=
en-aut-name=IzadiF.A.
en-aut-sei=Izadi
en-aut-mei=F.A.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=KhoshnamF.
en-aut-sei=Khoshnam
en-aut-mei=F.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=NabardiK.
en-aut-sei=Nabardi
en-aut-mei=K.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Mathematics Department, Azarbaijan Shahid Madani University
affil-num=2
en-affil=
kn-affil=Mathematics Department, Azarbaijan Shahid Madani University
affil-num=3
en-affil=
kn-affil=Mathematics Department, Azarbaijan Shahid Madani University
en-keyword=elliptic curves
kn-keyword=elliptic curves
en-keyword=rank
kn-keyword=rank
en-keyword=biquadrates
kn-keyword=biquadrates
en-keyword=sums of two biquadrates
kn-keyword=sums of two biquadrates
en-keyword=parity conjecture
kn-keyword=parity conjecture
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=35
end-page=50
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ON POSITIVE INTEGERS OF MINIMAL TYPE CONCERNED WITH THE CONTINUED FRACTION EXPANSION
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=KishiYasuhiro
en-aut-sei=Kishi
en-aut-mei=Yasuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TajiriSayaka
en-aut-sei=Tajiri
en-aut-mei=Sayaka
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=YoshizukaKen-ichiro
en-aut-sei=Yoshizuka
en-aut-mei=Ken-ichiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Aichi University of Education
affil-num=2
en-affil=
kn-affil=Department of Mathematics Fukuoka University of Education
affil-num=3
en-affil=
kn-affil=Department of Mathematics Fukuoka University of Education
en-keyword=continued fraction
kn-keyword=continued fraction
en-keyword=real quadratic field
kn-keyword=real quadratic field
en-keyword=class number
kn-keyword=class number
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=27
end-page=33
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=INTERSECTIVE POLYNOMIALS WITH GALOIS GROUP D5
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We give an infinite family of intersective polynomials with
Galois group D5, the dihedral group of order 10.
en-copyright=
kn-copyright=
en-aut-name=LavalleeMelisa J.
en-aut-sei=Lavallee
en-aut-mei=Melisa J.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=SpearmanBlair K.
en-aut-sei=Spearman
en-aut-mei=Blair K.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=YangQiduan
en-aut-sei=Yang
en-aut-mei=Qiduan
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics and Statistics University of British Columbia Okanagan
affil-num=2
en-affil=
kn-affil=Department of Mathematics and Statistics University of British Columbia Okanagan
affil-num=3
en-affil=
kn-affil=Department of Mathematics and Statistics University of British Columbia Okanagan
en-keyword=Intersective polynomial
kn-keyword=Intersective polynomial
en-keyword=Galois group
kn-keyword=Galois group
en-keyword=dihedal group
kn-keyword=dihedal group
en-keyword=monogenic
kn-keyword=monogenic
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=17
end-page=26
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A CHARACTERIZATION OF THE GLAUBERMAN-WATANABE CORRESPONDING BLOCKS AS BIMODULES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We give a characterization of the Glauberman-Watanabe
corresponding blocks viewed as bimodules as a direct summand of a
restricted or an induced module from the block in terms of a vertex and
a multiplicity.
en-copyright=
kn-copyright=
en-aut-name=TasakaFuminori
en-aut-sei=Tasaka
en-aut-mei=Fuminori
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Tsuruoka national college of technology
en-keyword=finite group
kn-keyword=finite group
en-keyword=Glauberman-Watanabe correspondence
kn-keyword=Glauberman-Watanabe correspondence
END
start-ver=1.4
cd-journal=joma
no-vol=56
cd-vols=
no-issue=1
article-no=
start-page=1
end-page=16
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=201401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=MUTATING BRAUER TREES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper we introduce mutation of Brauer trees. We
show that our mutation of Brauer trees explicitly describes the tilting
mutation of Brauer tree algebras introduced by Okuyama and Rickard.
en-copyright=
kn-copyright=
en-aut-name=AiharaTakuma
en-aut-sei=Aihara
en-aut-mei=Takuma
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Division of Mathematical Science and Physics, Graduate School of Science and Technology, Chiba University
en-keyword=Brauer tree
kn-keyword=Brauer tree
en-keyword=Brauer tree algebra
kn-keyword=Brauer tree algebra
en-keyword=tilting mutation
kn-keyword=tilting mutation
en-keyword=mutation of Brauer tree
kn-keyword=mutation of Brauer tree
END
start-ver=1.4
cd-journal=joma
no-vol=55
cd-vols=
no-issue=1
article-no=
start-page=191
end-page=200
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2013
dt-pub=201301
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ON HYPERBOLIC AREA OF THE MODULI OF θ-ACUTE TRIANGLES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=A θ-acute triangle is a Euclidean triangle on the plane
whose three angles are less than a given constant θ. In this note, we
shall give an explicit formula computing the hyperbolic area A(θ) of
the moduli region of θ-acute triangles on the Poincar´e disk. It turns
out that A(θ) is a period in the sense of Kontsevich-Zagier if cot θ is a
nonnegative algebraic number.
en-copyright=
kn-copyright=
en-aut-name=KanesakaNaomi
en-aut-sei=Kanesaka
en-aut-mei=Naomi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=NakamuraHiroaki
en-aut-sei=Nakamura
en-aut-mei=Hiroaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Faculty of Science, Okayama University
affil-num=2
en-affil=
kn-affil=Department of Mathematics, Faculty of Science, Okayama University
en-keyword=moduli space
kn-keyword=moduli space
en-keyword=Euclidean triangle
kn-keyword=Euclidean triangle
en-keyword=hyperbolic measure
kn-keyword=hyperbolic measure
END
start-ver=1.4
cd-journal=joma
no-vol=55
cd-vols=
no-issue=1
article-no=
start-page=167
end-page=190
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2013
dt-pub=201301
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=AN ALGEBRAIC APPROACH TO THE CAMERON-MARTIN-MARUYAMA-GIRSANOV FORMULA
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we will give a new perspective to the Cameron-
Martin-Maruyama-Girsanov formula by giving a totally algebraic proof
to it. It is based on the exponentiation of the Malliavin-type differenti-
ation and its adjointness.
en-copyright=
kn-copyright=
en-aut-name=AkahoriJirô
en-aut-sei=Akahori
en-aut-mei=Jirô
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=AmabaTakafumi
en-aut-sei=Amaba
en-aut-mei=Takafumi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=UraguchiSachiyo
en-aut-sei=Uraguchi
en-aut-mei=Sachiyo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Ritsumeikan University
affil-num=2
en-affil=
kn-affil=Ritsumeikan University
affil-num=3
en-affil=
kn-affil=Mitsubishi Tokyo UFJ Bank
END
start-ver=1.4
cd-journal=joma
no-vol=55
cd-vols=
no-issue=1
article-no=
start-page=157
end-page=166
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2013
dt-pub=201301
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=UNIFORM STABILITY AND BOUNDEDNESS OF SOLUTIONS OF NONLINEAR DELAY DIFFERENTIAL EQUATIONS OF THE THIRD ORDER
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, a complete Lyapunov functional was con-
structed and used to obtain criteria (when p = 0) for uniform asymptotic
stability of the zero solution of the nonlinear delay differential equation
(1.1). When p ≠ 0, sufficient conditions are also established for uni-
form boundedness and uniform ultimate boundedness of solutions of
this equation. Our results improve and extend some well known results
in the literature.
en-copyright=
kn-copyright=
en-aut-name=Adeleke TimothyAdemora
en-aut-sei=Adeleke Timothy
en-aut-mei=Ademora
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=Peter OlutolaArawamo
en-aut-sei=Peter Olutola
en-aut-mei=Arawamo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics University of Ibadan
affil-num=2
en-affil=
kn-affil=Department of Mathematics University of Ibadan
en-keyword=Uniform stability
kn-keyword=Uniform stability
en-keyword=Uniform boundedness
kn-keyword=Uniform boundedness
en-keyword=Uniform ultimate boundedness
kn-keyword=Uniform ultimate boundedness
en-keyword=Lyapunov functional
kn-keyword=Lyapunov functional
en-keyword=Delay differential equation
kn-keyword=Delay differential equation
END
start-ver=1.4
cd-journal=joma
no-vol=55
cd-vols=
no-issue=1
article-no=
start-page=145
end-page=155
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2013
dt-pub=201301
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=MULTIPLICITY-FREE PERMUTATION CHARACTERS OF COVERING GROUPS OF SPORADIC SIMPLE GROUPS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper we classify all multiplicity-free faithful per-
mutation representations of the covering groups of the sporadic simple
groups. These results were obtained computationally, making extensive
use of the GAP library of character tables.
en-copyright=
kn-copyright=
en-aut-name=LintonS. A.
en-aut-sei=Linton
en-aut-mei=S. A.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=MponoZ. E.
en-aut-sei=Mpono
en-aut-mei=Z. E.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=University of St Andrews, School of Computer Science
affil-num=2
en-affil=
kn-affil=University of South Africa, Department of Mathematical Sciences
en-keyword=multiplicity-free faithful permutation representations
kn-keyword=multiplicity-free faithful permutation representations
en-keyword=covering groups of the sporadic simple groups
kn-keyword=covering groups of the sporadic simple groups
END
start-ver=1.4
cd-journal=joma
no-vol=55
cd-vols=
no-issue=1
article-no=
start-page=131
end-page=143
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2013
dt-pub=201301
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=PURITY AND GORENSTEIN FILTERED RINGS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we discuss on the existence of filtrations of
modules having good properties. In particular, we focus on filtered
homomorphisms called strict, and show that there exists a filtration
which makes a filtered homomorphism a strict filtered homomorphism.
Moreover, by using this result, we study purity for filtered modules over
a Gorenstein filtered ring.
en-copyright=
kn-copyright=
en-aut-name=MiyaharaHiroki
en-aut-sei=Miyahara
en-aut-mei=Hiroki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Faculty of Engineering University of Yamanashi
en-keyword=filtered ring
kn-keyword=filtered ring
en-keyword=Auslander-Gorenstein ring
kn-keyword=Auslander-Gorenstein ring
END
start-ver=1.4
cd-journal=joma
no-vol=55
cd-vols=
no-issue=1
article-no=
start-page=117
end-page=129
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2013
dt-pub=201301
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ON MONO-INJECTIVE MODULES AND MONO-OJECTIVE MODULES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In [5] and [6], we have introduced a couple of relative generalized
epi-projectivities and given several properties of these projectivities.
In this paper, we consider relative generalized injectivities that are
dual to these relative projectivities and apply them to the study of direct
sums of extending modules. Firstly we prove that for an extending
module N, a module M is N-injective if and only if M is mono-Ninjective
and essentially N-injective. Then we define a mono-ojectivity
that plays an important role in the study of direct sums of extending
modules. The structure of (mono-)ojectivity is complicated and hence it
is difficult to determine whether these injectivities are inherited by finite
direct sums and direct summands even in the case where each module
is quasi-continuous. Finally we give several characterizations of these
injectivities and find necessary and sufficient conditions for the direct
sums of extending modules to be extending.
en-copyright=
kn-copyright=
en-aut-name=Keskin TütüncüDerya
en-aut-sei=Keskin Tütüncü
en-aut-mei=Derya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=KuratomiYosuke
en-aut-sei=Kuratomi
en-aut-mei=Yosuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Hacettepe University
affil-num=2
en-affil=
kn-affil=Kitakyushu National College of Technology
en-keyword=(generalized) mono-injective module
kn-keyword=(generalized) mono-injective module
en-keyword=(weakly) mono-ojective module
kn-keyword=(weakly) mono-ojective module
en-keyword=extending module
kn-keyword=extending module
END
start-ver=1.4
cd-journal=joma
no-vol=55
cd-vols=
no-issue=1
article-no=
start-page=95
end-page=116
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2013
dt-pub=201301
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A MODEL STRUCTURE ON THE CATEGORY OF SMALL CATEGORIES FOR COVERINGS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We consider a model structure on the category of small
categories, which is intimately related to the notion of coverings and
fundamental groups of small categories. Fibrant objects coincide with
groupoids, and the fibrant replacement is the groupoidification.
en-copyright=
kn-copyright=
en-aut-name=TanakaKohei
en-aut-sei=Tanaka
en-aut-mei=Kohei
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Faculty of Science Shinshu University
en-keyword=model categories
kn-keyword=model categories
en-keyword=small categories
kn-keyword=small categories
en-keyword=coverings
kn-keyword=coverings
END
start-ver=1.4
cd-journal=joma
no-vol=55
cd-vols=
no-issue=1
article-no=
start-page=87
end-page=93
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2013
dt-pub=201301
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=NOTE ON THE COHOMOLOGICAL INVARIANT OF PFISTER FORMS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The cohomological invariant ring of the n-Pfister forms is
isomorphic to the invariant ring under a GLn(Z/2)-action in that of an
elementary abelian 2-group of rank n.
en-copyright=
kn-copyright=
en-aut-name=TezukaMichishige
en-aut-sei=Tezuka
en-aut-mei=Michishige
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=YagitaNobuaki
en-aut-sei=Yagita
en-aut-mei=Nobuaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Department of mathematics, Faculty of Science, Ryukyu University
affil-num=2
en-affil=
kn-affil=Department of Mathematics, Faculty of Education, Ibaraki University
en-keyword=Pfister forms
kn-keyword=Pfister forms
en-keyword=cohomological invariant
kn-keyword=cohomological invariant
en-keyword=Dickson invariant
kn-keyword=Dickson invariant
END
start-ver=1.4
cd-journal=joma
no-vol=55
cd-vols=
no-issue=1
article-no=
start-page=53
end-page=85
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2013
dt-pub=201301
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=THE BLOCK APPROXIMATION THEOREM
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The block approximation theorem is an extensive general-
ization of both the well known weak approximation theorem from valu-
ation theory and the density property of global fields in their henseliza-
tions. It guarantees the existence of rational points of smooth affine
varieties that solve approximation problems of local-global type (see
e.g. [HJP07]). The theorem holds for pseudo real closed fields, by
[FHV94]. In this paper we prove the block approximation for pseudo-F-
closed fields K, where F is an ´etale compact family of valuations of K
with bounded residue fields (Theorem 4.1). This includes in particular
the case of pseudo p-adically closed fields and generalizations of these
like the ones considered in [HJP05].
en-copyright=
kn-copyright=
en-aut-name=HaranDan
en-aut-sei=Haran
en-aut-mei=Dan
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=JardenMoshe
en-aut-sei=Jarden
en-aut-mei=Moshe
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=PopFlorian
en-aut-sei=Pop
en-aut-mei=Florian
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=School of Mathematics, Tel Aviv University
affil-num=2
en-affil=
kn-affil=School of Mathematics, Tel Aviv University
affil-num=3
en-affil=
kn-affil=Department of Mathematics, University of Pennsylvania
END
start-ver=1.4
cd-journal=joma
no-vol=55
cd-vols=
no-issue=1
article-no=
start-page=1
end-page=52
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2013
dt-pub=201301
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=EXPLICIT ASSOCIATOR RELATIONS FOR MULTIPLE ZETA VALUES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Associators were introduced by Drinfel’d in [Dri91] as a
monodromy representation of a Knizhnik-Zamolodchikov equation. Associators
can be briefly described as formal series in two non-commutative
variables satisfying three equations. These three equations yield a
large number of algebraic relations between the coefficients of the series,
a situation which is particularly interesting in the case of the original
Drinfel’d associator, whose coefficients are multiple zetas values. In
the first part of this paper, we work out these algebraic relations among
multiple zeta values by direct use of the defining relations of associators.
While well-known for the first two relations, the algebraic relations we
obtain for the third (pentagonal) relation, which are algorithmically explicit
although we do not have a closed formula, do not seem to have
been previously written down. The second part of the paper shows
that if one has an explicit basis for the bar-construction of the moduli
space M0,5 of genus zero Riemann surfaces with 5 marked points
at one’s disposal, then the task of writing down the algebraic relations
corresponding to the pentagon relation becomes significantly easier and
more economical compared to the direct calculation above. We discuss
the explicit basis described by Brown and Gangl, which is dual to the
basis of the enveloping algebra of the braids Lie algebra UB5.
In order to write down the relation between multiple zeta values, we
then remark that it is enough to write down the relations associated
to elements that generate the bar construction as an algebra. This
corresponds to looking at the bar construction modulo shuffle, which
is dual to the Lie algebra of 5-strand braids. We write down, in the
appendix, the associated algebraic relations between multiple zeta values
in weights 2 and 3.
en-copyright=
kn-copyright=
en-aut-name=SoudèresIsmaël
en-aut-sei=Soudères
en-aut-mei=Ismaël
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Fachbereich Mathematik – Universität Duisburg-Essen
END
start-ver=1.4
cd-journal=joma
no-vol=41
cd-vols=
no-issue=1
article-no=
start-page=45
end-page=62
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1999
dt-pub=199901
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Universal Factorization Equalities for Quaternion Matrices and Their Applications
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=TianYongge
en-aut-sei=Tian
en-aut-mei=Yongge
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Queen's University
END
start-ver=1.4
cd-journal=joma
no-vol=41
cd-vols=
no-issue=1
article-no=
start-page=103
end-page=109
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1999
dt-pub=199901
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Semi-Convergence of Filters and Nets
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=LatifR. M.
en-aut-sei=Latif
en-aut-mei=R. M.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=King Fahd University of Petroleum and Minerals
END
start-ver=1.4
cd-journal=joma
no-vol=41
cd-vols=
no-issue=1
article-no=
start-page=27
end-page=36
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1999
dt-pub=199901
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Irreducibilities of the Induced Characters of Cyclic p-Groups
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=SekiguchiKatsusuke
en-aut-sei=Sekiguchi
en-aut-mei=Katsusuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Kokushikan University
END
start-ver=1.4
cd-journal=joma
no-vol=41
cd-vols=
no-issue=1
article-no=
start-page=75
end-page=79
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1999
dt-pub=199901
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A Generalization of the Dade's Theorem on Localization of Injective Modules
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=HirataKazuhiko
en-aut-sei=Hirata
en-aut-mei=Kazuhiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=SyuU
en-aut-sei=Syu
en-aut-mei=U
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Faculty of Science Chiba University
affil-num=2
en-affil=
kn-affil=
END
start-ver=1.4
cd-journal=joma
no-vol=54
cd-vols=
no-issue=1
article-no=
start-page=145
end-page=211
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2012
dt-pub=201201
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ON MEANS OF BANACH-SPACE-VALUED FUNCTIONS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We continue to study relations among exponential and polynomial growth orders of the γ-th order Cesàro means (γ≥0) and of the Abel mean for a Banach-space-valued function u on the interval [0,∞). We have already studied the problem for a continuous function u. Now we assume that u is a locally integrable function in a Banach space or an improperly locally integrable positive function in a Banach lattice.
en-copyright=
kn-copyright=
en-aut-name=SatoRyotaro
en-aut-sei=Sato
en-aut-mei=Ryotaro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Okayama University
en-keyword=Cesàro mean
kn-keyword=Cesàro mean
en-keyword=Abel mean
kn-keyword=Abel mean
en-keyword=exponential growth order
kn-keyword=exponential growth order
en-keyword=polynomial growth order
kn-keyword=polynomial growth order
en-keyword=locally integrable function
kn-keyword=locally integrable function
en-keyword=improperly locally integrable function
kn-keyword=improperly locally integrable function
END
start-ver=1.4
cd-journal=joma
no-vol=54
cd-vols=
no-issue=1
article-no=
start-page=133
end-page=143
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2012
dt-pub=201201
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=CONTROLLABILITY OF FRACTIONAL INTEGRODIFFERENTIAL SYSTEMS VIA SEMIGROUP THEORY IN BANACH SPACES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=This paper focuses on controllability results of fractional integrodifferential systems in Banach spaces. We obtain sufficient conditions for the controllability results by using fractional calculus, semi-group theory and the fixed point theorem.
en-copyright=
kn-copyright=
en-aut-name=HaziMohammed
en-aut-sei=Hazi
en-aut-mei=Mohammed
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=BragdiMabrouk
en-aut-sei=Bragdi
en-aut-mei=Mabrouk
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics École Normale Supèrieure
affil-num=2
en-affil=
kn-affil=Department of Mathematics Larbi Ben M'hidi University
en-keyword=Controllability
kn-keyword=Controllability
en-keyword=Integrodifferential system
kn-keyword=Integrodifferential system
en-keyword=Fractional calculus
kn-keyword=Fractional calculus
en-keyword=Semigroup theory
kn-keyword=Semigroup theory
en-keyword=Fixed point theorem
kn-keyword=Fixed point theorem
END
start-ver=1.4
cd-journal=joma
no-vol=54
cd-vols=
no-issue=1
article-no=
start-page=97
end-page=131
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2012
dt-pub=201201
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=HOMOGENIZATION OF NON-LINEAR VARIATIONAL PROBLEMS WITH THIN INCLUSIONS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We are concerned in this work with the asymptotic behavior of an assemblage whose components are a thin inclusion with higher rigidity modulus included into an elastic body. We aim at finding the approximating energy functional of the above structure in a Γ-convergence framework, and making use also of the subadditive theorem and the blow-up method.
en-copyright=
kn-copyright=
en-aut-name=MoussaAbdelaziz Aït
en-aut-sei=Moussa
en-aut-mei=Abdelaziz Aït
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=ZlaïjiLoubna
en-aut-sei=Zlaïji
en-aut-mei=Loubna
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics and Informatics Faculty of Science, Mohammed Premier University
affil-num=2
en-affil=
kn-affil=Department of Mathematics and Informatics, Faculty of Science, Mohammed Premier University
en-keyword=blow-up
kn-keyword=blow-up
en-keyword=Γ-convergence
kn-keyword=Γ-convergence
en-keyword=subadditive theorem
kn-keyword=subadditive theorem
END
start-ver=1.4
cd-journal=joma
no-vol=54
cd-vols=
no-issue=1
article-no=
start-page=87
end-page=96
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2012
dt-pub=201201
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=THE TANGENT BUNDLES OVER EQUIVARIANT REAL PROJECTIVE SPACES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=let G be a nontrivial cyclic group of odd order. In the present paper, we will prove that the fourfold Whitney sum of the tangent bundle of real projective plane of any three dimensional nontrivial real G-representation is equivariantly a product bundle.
en-copyright=
kn-copyright=
en-aut-name=QiYan
en-aut-sei=Qi
en-aut-mei=Yan
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Guraduate School of Natural Science and Technology Okayama University
en-keyword=equivariant real vector bundle
kn-keyword=equivariant real vector bundle
en-keyword=group action
kn-keyword=group action
en-keyword=real projective space
kn-keyword=real projective space
en-keyword=canonical line bundle
kn-keyword=canonical line bundle
en-keyword=product bundle
kn-keyword=product bundle
en-keyword=tangent bundle
kn-keyword=tangent bundle
END
start-ver=1.4
cd-journal=joma
no-vol=54
cd-vols=
no-issue=1
article-no=
start-page=77
end-page=86
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2012
dt-pub=201201
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=NOTE ON THE HOMOTOPY OF THE SPACE OF MAPS BETWEEN REAL PROJECTIVE SPACES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We study the homotopy types of the space consisting of all base-point preseving continuous maps from the m dimensional real projective space into the n dimensional real projective space. When 2 ≤ m < n, it has two path connected components and we investigate whether these two path-components have the same homotopy type or not.
en-copyright=
kn-copyright=
en-aut-name=YamaguchiKohhei
en-aut-sei=Yamaguchi
en-aut-mei=Kohhei
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics University of Electro-Communications
en-keyword=homotopy type
kn-keyword=homotopy type
en-keyword=algebraic map
kn-keyword=algebraic map
en-keyword=Hurewicz-Radon numbers
kn-keyword=Hurewicz-Radon numbers
END
start-ver=1.4
cd-journal=joma
no-vol=54
cd-vols=
no-issue=1
article-no=
start-page=65
end-page=76
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2012
dt-pub=201201
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ON A GENERALIZATION OF CQF-3′ MODULES AND COHEREDITARY TORSION THEORIES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Throughout this paper we assume that R is a right perfect ring with identity and let Mod-R be the category of right R-modules. Let M be a right R-module. We denote by 0 → K(M) → P(M) → M → 0 the projective cover of M. M is called a CQF-3′ module, if P(M) is M-generated, that is, P(M) is isomorphic to a homomorphic image of a direct sum ⊕M of some copies of M. A subfunctor of the identity functor of Mod-R is called a preradical. For a preradical σ, Tσ := {M ∈ Mod-R : σ(M) = M} is called the class of σ-torsion right R-modules, and Fσ := {M ∈ Mod-R : σ(M) = 0} is called the class of σ-torsionfree right R-modules. A right R-module M is called σ-projective if the functor HomR(M,−) preserves the exactness for any exact sequence 0 → A → B → C → 0 with A ∈ Fσ. We put Pσ(M) = P(M)/σ(K(M)) for a module M. We call a right R-module M a
σ-CQF-3′ module if Pσ(M) is M-generated. In this paper, we characterize σ-CQF-3′ modules and give some related facts.
en-copyright=
kn-copyright=
en-aut-name=TakehanaYasuhiko
en-aut-sei=Takehana
en-aut-mei=Yasuhiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=General Education Hakodate National College of Technology
en-keyword=QF-3′
kn-keyword=QF-3′
en-keyword=cohereditary
kn-keyword=cohereditary
END
start-ver=1.4
cd-journal=joma
no-vol=54
cd-vols=
no-issue=1
article-no=
start-page=53
end-page=63
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2012
dt-pub=201201
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ON A GENERALIZATION OF QF-3′ MODULES AND HEREDITARY TORSION THEORIES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Let R be a ring with identity, and let Mod-R be the category of right R-modules. Let M be a right R-module. We denote by E(M) the injective hull of M. M is called QF-3′ module, if E(M) is M-torsionless, that is, E(M) is isomorphic to a submodule of a direct product ΠM of some copies of M. A subfunctor of the identity functor of Mod-R is called a preradical. For a preradical σ, Tσ := {M ∈ Mod-R : σ(M) = M} is the class of σ-torsion right R-modules, and Fσ := {M ∈ Mod-R : σ(M) = 0} is the class of σ-torsionfree right R-modules. A right R-module M is called σ-injective if the functor HomR(−,M) preserves the exactness for any exact sequence 0 → A → B → C → 0 with C ∈ Tσ. A right R-module M is called σ-QF-3′ module if Eσ(M) is M-torsionless, where Eσ(M) is defined by Eσ(M)/M := σ(E(M)/M). In this paper, we characterize σ-QF-3′ modules and give some related
facts.
en-copyright=
kn-copyright=
en-aut-name=TakehanaYasuhiko
en-aut-sei=Takehana
en-aut-mei=Yasuhiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=General Education Hakodate National College of Technology
en-keyword=QF-3′
kn-keyword=QF-3′
en-keyword=hereditary
kn-keyword=hereditary
END
start-ver=1.4
cd-journal=joma
no-vol=54
cd-vols=
no-issue=1
article-no=
start-page=49
end-page=52
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2012
dt-pub=201201
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ON THE STRUCTURE OF THE MORDELL-WEIL GROUPS OF THE JACOBIANS OF CURVES DEFINED BY yn = f(x)
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Let A be an abelian variety defined over a number field K. It is proved that for the composite field Kn of all Galois extensions over K of degree dividing n, the torsion subgroup of the Mordell-Weil group A(Kn) is finite. This is a variant of Ribet’s result ([7]) on the finiteness of torsion subgroup of A(K(ζ∞)). It is also proved that for the Jacobians of superelliptic curves yn = f(x) defined over K the Mordell-Weil group over the field generated by all nth roots of elements of K is the direct sum of a finite torsion group and a free ℤ-module of infinite rank.
en-copyright=
kn-copyright=
en-aut-name=MoonHyunsuk
en-aut-sei=Moon
en-aut-mei=Hyunsuk
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, College of Natural Sciences Kyungpook National University
en-keyword=Mordell-Weil group
kn-keyword=Mordell-Weil group
en-keyword=Jacobian
kn-keyword=Jacobian
en-keyword=superelliptic curve
kn-keyword=superelliptic curve
END
start-ver=1.4
cd-journal=joma
no-vol=54
cd-vols=
no-issue=1
article-no=
start-page=33
end-page=48
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2012
dt-pub=201201
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=HILBERT-SPEISER NUMBER FIELDS AND STICKELBERGER IDEALS; THE CASE p = 2
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We say that a number field F satisfies the condition (H′2m) when any abelian extension of exponent dividing 2m has a normal basis with respect to rings of 2-integers. We say that it satisfies (H′
2∞) when it satisfies (H′
2m) for all m. We give a condition for F to satisfy (H'2m), and show that the imaginary quadratic fields F = Q(√−1) and Q(√−2) satisfy the very strong condition (H′
2∞) if the conjecture that h+2m = 1 for all m is valid. Here, h+2m) is the class number of the maximal real abelian field of conductor 2m.
en-copyright=
kn-copyright=
en-aut-name=IchimuraHumio
en-aut-sei=Ichimura
en-aut-mei=Humio
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Faculty of Science, Ibaraki University
en-keyword=Hilbert-Speiser number field
kn-keyword=Hilbert-Speiser number field
en-keyword=Stickelberger ideal
kn-keyword=Stickelberger ideal
en-keyword=normal integral basis
kn-keyword=normal integral basis
END
start-ver=1.4
cd-journal=joma
no-vol=54
cd-vols=
no-issue=1
article-no=
start-page=1
end-page=32
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2012
dt-pub=201201
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=SOME REMARKS ON LUCAS PSEUDOPRIMES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We present a way of viewing Lucas pseudoprimes, Euler-Lucas pseudoprimes and strong Lucas pseudoprimes in the context of group schemes. This enables us to treat the Lucas pseudoprimalities in parallel to establish pseudoprimes, Euler pseudoprimes and strong pseudoprimes.
en-copyright=
kn-copyright=
en-aut-name=SuwaNoriyuki
en-aut-sei=Suwa
en-aut-mei=Noriyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Faculty of Science and Engineerings Chuo University
en-keyword=primality test
kn-keyword=primality test
en-keyword=group scheme
kn-keyword=group scheme
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=185
end-page=216
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=TRIANGLE CENTERS DEFINED BY QUADRATIC POLYNOMIALS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We consider a family of triangle centers whose barycentric coordinates are given by quadratic polynomials, and determine the lines that contain an infinite number of such triangle centers. We show that for a given quadratic triangle center, there exist in general four principal lines through this center. These four principal lines possess an intimate connection with the Nagel line.
en-copyright=
kn-copyright=
en-aut-name=AgaokaYoshio
en-aut-sei=Agaoka
en-aut-mei=Yoshio
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Graduate School of Science, Hiroshima University
en-keyword=triangle center
kn-keyword=triangle center
en-keyword=generalized Euler line
kn-keyword=generalized Euler line
en-keyword=Nagel line
kn-keyword=Nagel line
en-keyword=principal line
kn-keyword=principal line
en-keyword=Ceva conjugate
kn-keyword=Ceva conjugate
en-keyword=isotomic conjugate
kn-keyword=isotomic conjugate
en-keyword=symmetric polynomial
kn-keyword=symmetric polynomial
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=173
end-page=183
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=THE UNIFORM EXPONENTIAL STABILITY OF LINEAR SKEW-PRODUCT SEMIFLOWS ON REAL HILBERT SPACE
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The goal of the paper is to present some characterizations for the uniform exponential stability of linear skew-product semiflows on real Hilbert space.
en-copyright=
kn-copyright=
en-aut-name=HaiPham Viet
en-aut-sei=Hai
en-aut-mei=Pham Viet
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=ThanhLe Ngoc
en-aut-sei=Thanh
en-aut-mei=Le Ngoc
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Faculty of Mathematics, Mechanics and Informatics, College Of Science, Viet Nam National University
affil-num=2
en-affil=
kn-affil=Basic Science, Hoa Binh University
en-keyword=stability
kn-keyword=stability
en-keyword=linear skew-product semiflow
kn-keyword=linear skew-product semiflow
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=167
end-page=172
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A CAUCHY-KOWALEVSKI THEOREM FOR INFRAMONOGENIC FUNCTIONS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper we prove a Cauchy-Kowalevski theorem for the functions satisfying the system ∂xf∂x = 0 (called inframonogenic functions).
en-copyright=
kn-copyright=
en-aut-name=MalonekHelmuth R.
en-aut-sei=Malonek
en-aut-mei=Helmuth R.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=PeñaDixan Peña
en-aut-sei=Peña
en-aut-mei=Dixan Peña
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=SommenFrank
en-aut-sei=Sommen
en-aut-mei=Frank
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Aveiro University
affil-num=2
en-affil=
kn-affil=Department of Mathematics Aveiro University
affil-num=3
en-affil=
kn-affil=Department of Mathematical Analysis Ghent University
en-keyword=Inframonogenic functions
kn-keyword=Inframonogenic functions
en-keyword=Cauchy-Kowalevski theorem
kn-keyword=Cauchy-Kowalevski theorem
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=155
end-page=165
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=AN EXPLICIT PSp4(3)-POLYNOMIAL WITH 3 PARAMETERS OF DEGREE 40
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We will give an explicit polynomial over ℚ with 3 parameters of degree 40 as a result of the inverse Galois problem. Its Galois group over ℚ (resp. ℚ(√-3)) is isomorphic to PGSp4(3) (resp. PSp4(3)) and it is a regular PSp4(3)-polynomial over ℚ(p√−3). To construct the polynomial and prove its properties above we use some results of Siegel modular forms and permutation group theory.
en-copyright=
kn-copyright=
en-aut-name=KitayamaHidetaka
en-aut-sei=Kitayama
en-aut-mei=Hidetaka
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Graduate School of Science, Osaka University
en-keyword=inverse Galois problem
kn-keyword=inverse Galois problem
en-keyword=explicit polynomials
kn-keyword=explicit polynomials
en-keyword=Siegel modular forms
kn-keyword=Siegel modular forms
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=129
end-page=154
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ABSTRACT LOCAL COHOMOLOGY FUNCTORS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We propose to define the notion of abstract local cohomology functors. The ordinary local cohomology functor RΓI with support in the closed subset defined by an ideal I and the generalized local cohomology functor RΓI,J defined in [16] are characterized as elements of the set of all the abstract local cohomology functors.
en-copyright=
kn-copyright=
en-aut-name=YoshinoYuji
en-aut-sei=Yoshino
en-aut-mei=Yuji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=YoshizawaTakeshi
en-aut-sei=Yoshizawa
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Graduate School of Natural Science and Technology Okayama University
affil-num=2
en-affil=
kn-affil=Graduate School of Natural Science and Technology Okayama University
en-keyword=local cohomology
kn-keyword=local cohomology
en-keyword=stable t-structure
kn-keyword=stable t-structure
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=111
end-page=127
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=NOTE ON SYMMETRIC HILBERT SERIES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=KamoiYuji
en-aut-sei=Kamoi
en-aut-mei=Yuji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=School of Commerce Meiji University
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=101
end-page=109
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ON ALMOST N-SIMPLE-PROJECTIVES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The concept of almost N-projectivity is defined in [5] by M. Harada and A. Tozaki to translate the concept "lifting module" in terms of homomorphisms. In [6, Theorem 1] M. Harada defined a little weaker condition "almost N-simple-projecive" and gave the following
relationship between them: For a semiperfect ring R and R-modules M and N of finite length,
M is almost N-projective if and only if M is almost N-simple-projective. We remove the assumption "of finite length" and give the result in Theorem 5 as follows: For a semiperfect ring R, a finitely generated right R-module M
and an indecomposable right R-module N of finite Loewy length, M is almost N-projective if and only if M is almost N-simple-projective. We also see that, for a semiperfect ring R, a finitely generated R-module M and an R-module N of finite Loewy length, M is N-simple-projective if and only if M is N-projective.
en-copyright=
kn-copyright=
en-aut-name=BabaYoshitomo
en-aut-sei=Baba
en-aut-mei=Yoshitomo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=YamazakiTakeshi
en-aut-sei=Yamazaki
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Osaka-Kyoiku University
affil-num=2
en-affil=
kn-affil=Osaka Prefectual Senriseiun Senior High School
en-keyword=ring
kn-keyword=ring
en-keyword=module
kn-keyword=module
en-keyword=almot projective
kn-keyword=almot projective
en-keyword=almost simple-projective
kn-keyword=almost simple-projective
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=83
end-page=100
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=FP-GR-INJECTIVE MODULES
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we give some characterizations of FP-grinjective R-modules and graded right R-modules of FP-gr-injective dimension at most n. We study the existence of FP-gr-injective envelopes and FP-gr-injective covers. We also prove that (1) (⊥gr-FI, gr-FI) is a hereditary cotorsion theory if and only if R is a left gr-coherent ring, (2) If R is right gr-coherent with FP-gr-id(RR) ≤ n, then (gr-FIn, gr-F n⊥) is a perfect cotorsion theory, (3) (⊥gr-FIn, gr-FIn) is a cotorsion theory, where gr-FI denotes the class of all FP-gr-injective left R-modules, gr-FIn is the class of all graded right R-modules of FP-gr-injective dimension at most n. Some applications are given.
en-copyright=
kn-copyright=
en-aut-name=YangXiaoyan
en-aut-sei=Yang
en-aut-mei=Xiaoyan
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=LiuZhongkui
en-aut-sei=Liu
en-aut-mei=Zhongkui
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics Northwest Normal University
affil-num=2
en-affil=
kn-affil=Department of Mathematics Northwest Normal University
en-keyword=FP-gr-injective module
kn-keyword=FP-gr-injective module
en-keyword=graded flat module
kn-keyword=graded flat module
en-keyword=envelope and cover
kn-keyword=envelope and cover
en-keyword=cotorsion theory
kn-keyword=cotorsion theory
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=75
end-page=82
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=TORSION OF ELLIPTIC CURVES OVER QUADRATIC CYCLOTOMIC FIELDS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper we study the possible torsions of elliptic curves over ℚ(i) and ℚ(√−3).
en-copyright=
kn-copyright=
en-aut-name=NajmanFilip
en-aut-sei=Najman
en-aut-mei=Filip
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics University of Zagreb
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=55
end-page=74
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=PROJECTIVE STRUCTURES AND AUTOMORPHIC PSEUDODIFFERENTIAL OPERATORS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Automorphic pseudodifferential operators are pseudodifferential operators that are invariant under an action of a discrete subgroup Γ of SL(2,ℝ), and they are closely linked to modular forms. In particular, there is a lifting map from modular forms to automorphic pseudodifferential
operators, which can be interpreted as a lifting morphism of sheaves over the Riemann surface X associated to the given discrete subgroup Γ. One of the questions raised in a paper by Cohen, Manin, and Zagier is whether the difference in the images of a local section of a sheaf under such lifting morphisms corresponding to two projective structures on X can be expressed in terms of certain Schwarzian derivatives. The purpose of this paper is to provide a positive answer to this question for some special cases.
en-copyright=
kn-copyright=
en-aut-name=LeeMin Ho
en-aut-sei=Lee
en-aut-mei=Min Ho
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics University of Northern Iowa
en-keyword=Automorphic pseudodifferential operators
kn-keyword=Automorphic pseudodifferential operators
en-keyword=modular forms
kn-keyword=modular forms
en-keyword=Schwarzian derivatives
kn-keyword=Schwarzian derivatives
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=39
end-page=53
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=LIFTED CODES OVER FINITE CHAIN RINGS
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we study lifted codes over finite chain rings. We use γ-adic codes over a formal power series ring to study codes over finite chain rings.
en-copyright=
kn-copyright=
en-aut-name=DoughertySteven T.
en-aut-sei=Dougherty
en-aut-mei=Steven T.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=LiuHongwei
en-aut-sei=Liu
en-aut-mei=Hongwei
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=ParkYoung Ho
en-aut-sei=Park
en-aut-mei=Young Ho
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics University of Scranton
affil-num=2
en-affil=
kn-affil=Department of Mathematics Huazhong Normal University
affil-num=3
en-affil=
kn-affil=Department of Mathematics Kangwon National University
en-keyword=Finite chain rings
kn-keyword=Finite chain rings
en-keyword=lifted codes
kn-keyword=lifted codes
en-keyword=γ-adic codes
kn-keyword=γ-adic codes
END
start-ver=1.4
cd-journal=joma
no-vol=53
cd-vols=
no-issue=1
article-no=
start-page=1
end-page=37
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2011
dt-pub=201101
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ASYMPTOTIC ANALYSIS FOR GREEN FUNCTIONS OF AHARONOV-BOHM HAMILTONIAN WITH APPLICATION TO RESONANCE WIDTHS IN MAGNETIC SCATTERING
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The Aharonov–Bohm Hamiltonian is the energy operator which governs quantum particles moving in a solenoidal field in two dimensions. We analyze asymptotic properties of its Green function with spectral parameters in the unphysical sheet. As an application, we discuss
the lower bound on resonance widths for scattering by two magnetic fields with compact supports at large separation. The bound is evaluated in terms of backward scattering amplitudes by a single magnetic field. A special emphasis is placed on analyzing how a trajectory oscillating between two magnetic fields gives rise to resonances near the real axis, as the distance between two supports goes to infinity. We also refer to the relation to the semiclassical resonance theory for scattering
by two solenoidal fields.
en-copyright=
kn-copyright=
en-aut-name=TamuraHideo
en-aut-sei=Tamura
en-aut-mei=Hideo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Mathematics, Okayama University
en-keyword=Aharonov-Bohm Hamiltonian
kn-keyword=Aharonov-Bohm Hamiltonian
en-keyword=Green function
kn-keyword=Green function
en-keyword=magnetic Schrödinger operator
kn-keyword=magnetic Schrödinger operator
en-keyword=scattering amplitude
kn-keyword=scattering amplitude
en-keyword=resonance width
kn-keyword=resonance width
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=1
article-no=
start-page=25
end-page=35
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198206
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=An application of certain multiplicities of C∞ map germs
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=AndoYoshifumi
en-aut-sei=Ando
en-aut-mei=Yoshifumi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Yamaguchi University
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=1
article-no=
start-page=53
end-page=71
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198206
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Subgroup SU(8)/Z2 of compact simple Lie group E7 and non-compact simple Lie group E{7(7)} of type E7
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=YokotaIchiro
en-aut-sei=Yokota
en-aut-mei=Ichiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Shinshu University
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=1
article-no=
start-page=1
end-page=6
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198206
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Note on groups with isomorphic group algebras
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=FurukawaTôru
en-aut-sei=Furukawa
en-aut-mei=Tôru
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama University
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=1
article-no=
start-page=21
end-page=23
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198206
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On a theorem of M. S. Putcha and A. Yaqub
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=KomatsuHiroaki
en-aut-sei=Komatsu
en-aut-mei=Hiroaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Osaka City University
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=1
article-no=
start-page=15
end-page=19
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198206
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Some remarks on bisimple rings
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=HiranoYasuyuki
en-aut-sei=Hirano
en-aut-mei=Yasuyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TominagaHisao
en-aut-sei=Tominaga
en-aut-mei=Hisao
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama University
affil-num=2
en-affil=
kn-affil=Okayama University
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=1
article-no=
start-page=73
end-page=97
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198206
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Surgery obstruction of twisted products
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=YoshidaTomoyoshi
en-aut-sei=Yoshida
en-aut-mei=Tomoyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama University
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=1
article-no=
start-page=7
end-page=13
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198206
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Some polynomial identities and commutativity of s-unital rings
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=HiranoYasuyuki
en-aut-sei=Hirano
en-aut-mei=Yasuyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=KobayashiYuji
en-aut-sei=Kobayashi
en-aut-mei=Yuji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=TominagaHisao
en-aut-sei=Tominaga
en-aut-mei=Hisao
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama University
affil-num=2
en-affil=
kn-affil=Tokushima University
affil-num=3
en-affil=
kn-affil=Okayama University
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=1
article-no=
start-page=45
end-page=51
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198206
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On J-groups of S^l(RP(t-l)/RP(n-l))
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=KônoSusumu
en-aut-sei=Kôno
en-aut-mei=Susumu
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TamamuraAkie
en-aut-sei=Tamamura
en-aut-mei=Akie
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama University
affil-num=2
en-affil=
kn-affil=Okayama University of Science
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=1
article-no=
start-page=37
end-page=44
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198206
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On the iterated Samelson product
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=KachiHideyuki
en-aut-sei=Kachi
en-aut-mei=Hideyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Shinshu University
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=2
article-no=
start-page=137
end-page=152
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198212
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A certain type of commutative Hopf Galois extensions and their groups
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=NakajimaAtsushi
en-aut-sei=Nakajima
en-aut-mei=Atsushi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama University
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=2
article-no=
start-page=167
end-page=178
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198212
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Notes on stable equivariant maps
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=IzumiyaSyuichi
en-aut-sei=Izumiya
en-aut-mei=Syuichi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Nara Women's University
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=2
article-no=
start-page=99
end-page=109
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198212
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On right p.p. rings
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=HiranoYasuyuki
en-aut-sei=Hirano
en-aut-mei=Yasuyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=HonganMotoshi
en-aut-sei=Hongan
en-aut-mei=Motoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=ÔhoriMasayuki
en-aut-sei=Ôhori
en-aut-mei=Masayuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama University
affil-num=2
en-affil=
kn-affil=Tsuyama College of Technology
affil-num=3
en-affil=
kn-affil=Shinshu University
END
start-ver=1.4
cd-journal=joma
no-vol=24
cd-vols=
no-issue=2
article-no=
start-page=133
end-page=136
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1982
dt-pub=198212
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
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affil-num=1
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en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=FaithCarl
en-aut-sei=Faith
en-aut-mei=Carl
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=State University
END
start-ver=1.4
cd-journal=joma
no-vol=28
cd-vols=
no-issue=1
article-no=
start-page=207
end-page=217
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1986
dt-pub=198601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Families of geodesics which distinguish flat tori
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=InnamiNobuhiro
en-aut-sei=Innami
en-aut-mei=Nobuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Hiroshima University
END
start-ver=1.4
cd-journal=joma
no-vol=28
cd-vols=
no-issue=1
article-no=
start-page=97
end-page=100
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1986
dt-pub=198601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Some conditions for commutativity of rings
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=TominagaHisao
en-aut-sei=Tominaga
en-aut-mei=Hisao
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama University
END
start-ver=1.4
cd-journal=joma
no-vol=28
cd-vols=
no-issue=1
article-no=
start-page=173
end-page=189
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1986
dt-pub=198601
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=The classification of homogeneous structures on 3-dimensional space forms
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=AbeKoji
en-aut-sei=Abe
en-aut-mei=Koji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama University
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=141
end-page=152
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=The Perron Problem for C-Semigroups
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
<p>Characterizations of Perron-type for the exponential stability of exponentially bounded C-semigroups are given. Also, some applications for the asymptotic behavior of the integrated semigroups are obtained.</p>
en-copyright=
kn-copyright=
en-aut-name=PradaPetre
en-aut-sei=Prada
en-aut-mei=Petre
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=PoganAlin
en-aut-sei=Pogan
en-aut-mei=Alin
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=PredaCiprian
en-aut-sei=Preda
en-aut-mei=Ciprian
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=West University of Timisoara
affil-num=2
en-affil=
kn-affil=University of Missouri
affil-num=3
en-affil=
kn-affil=West University of Timisoara
en-keyword=C-semigroups
kn-keyword=C-semigroups
en-keyword= exponential stability.
kn-keyword= exponential stability.
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=1
end-page=8
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Results on prime near-ring with (σ,τ)-derivation
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Let N be a prime left near-ring with multiplicative centerZ; and D be a (α, γ)derivation such that δD = Dδ and ΓD = DΓ(i)If D(N)⊂ Z; or [D(N);D(N)] = 0 or [D(N);D(N)]σ, γ= 0; then (N; +)is abelian. (ii) If N is 2-torsion free, d1 is a (α, γ)-derivation and d2 is a derivation on N such that d1d2(N) = 0, then d1 = 0 or d2 = 0.
en-copyright=
kn-copyright=
en-aut-name=GolbasiOznur
en-aut-sei=Golbasi
en-aut-mei=Oznur
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=AydinNeset
en-aut-sei=Aydin
en-aut-mei=Neset
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Cumhuriyet University
affil-num=2
en-affil=
kn-affil=Canakkale 18 Mart University
en-keyword=Prime Near-Ring
kn-keyword=Prime Near-Ring
en-keyword=Derivation
kn-keyword=Derivation
en-keyword=(σ,τ)-Derivation.
kn-keyword=(σ,τ)-Derivation.
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=163
end-page=182
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Some Metric Invariants of Spheres and Alexandrov Spaces I
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=A metric invariant ak is defined, and we have that ak(X)≤ak(Sn) holds in an Alexandrov space X with curvature ≥ 1. And the
borderline case when a3(X) = a3(Sn) and ak(S1) are studied.
en-copyright=
kn-copyright=
en-aut-name=SochiNobuyuki
en-aut-sei=Sochi
en-aut-mei=Nobuyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama University
en-keyword=Metric Invariants;Alexandrov Spaces;Borderline Cases
kn-keyword=Metric Invariants;Alexandrov Spaces;Borderline Cases
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=153
end-page=162
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On Strong Approximation of Functions by Certain Linear Operators
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=This note is motivated by the results on the strong approximation of 2Π-periodic functions by means of trigonometric Fourier series.In this note is investigated certain class of positive linear operators in the polynomial weighted spaces. We introduce the strong differences of functions and their operators and we give the Jackson type theorems for them. We give also some corollaries.
en-copyright=
kn-copyright=
en-aut-name=RempulskaLucyna
en-aut-sei=Rempulska
en-aut-mei=Lucyna
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=SkorupkaMariola
en-aut-sei=Skorupka
en-aut-mei=Mariola
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=University of Technology Piotrowo
affil-num=2
en-affil=
kn-affil=University of Technology Piotrowo
en-keyword=linear operator
kn-keyword=linear operator
en-keyword=degree of approximation
kn-keyword=degree of approximation
en-keyword=strong
kn-keyword=strong
en-keyword= approximation.
kn-keyword= approximation.
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=121
end-page=130
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A Note on Commutative Gelfand Theory for Real Banach Algebras
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Pfaffenberger and Phillips [2] consider a real and unital case of the classical commutative Gelfand theorem and obtain two representation theorems. One is to represent a unital real commutative Banach algebra A as an algebra of continuous functions on the unital homomorphism space ΦA. The other is to represent A as an algebra of continuous sections on the maximal ideal space MA. In this note, we point out that similar theorems for non-unital case hold and show that two representation theorems are essentially identical.
en-copyright=
kn-copyright=
en-aut-name=TakahashiSin-Ei
en-aut-sei=Takahashi
en-aut-mei=Sin-Ei
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=MiuraTakeshi
en-aut-sei=Miura
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=HatoriOsamu
en-aut-sei=Hatori
en-aut-mei=Osamu
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Yamagata University
affil-num=2
en-affil=
kn-affil=Yamagata University
affil-num=3
en-affil=
kn-affil=Niigata University, Niigata
en-keyword=real commutative Banach algebras
kn-keyword=real commutative Banach algebras
en-keyword=real algebra homomorphisms
kn-keyword=real algebra homomorphisms
en-keyword= commutative Gelfand theory.
kn-keyword= commutative Gelfand theory.
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=131
end-page=140
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A Study of Fq-Functions Connected with Ramanujan's Tenth Order Mock Theta Functions
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=<P>We have defined generalized functions which reduce to Ramanujan's mock theta functions of order ten. We have shown that they are Fq-functions. We have given their integral representation and multibasic expansions.
en-copyright=
kn-copyright=
en-aut-name=SrivastavaBhaskar
en-aut-sei=Srivastava
en-aut-mei=Bhaskar
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Lucknow University
en-keyword=q-Bibasic Hypergeometric Series
kn-keyword=q-Bibasic Hypergeometric Series
en-keyword= Multibasic Series.
kn-keyword= Multibasic Series.
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=9
end-page=16
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=On Simple-Injective Modules
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=SumiokaTakashi
en-aut-sei=Sumioka
en-aut-mei=Takashi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TokashikiTakashi
en-aut-sei=Tokashiki
en-aut-mei=Takashi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Osaka City University
affil-num=2
en-affil=
kn-affil=Osaka City University
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=115
end-page=120
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Remark on Cup-Products
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=YamaguchiKohhei
en-aut-sei=Yamaguchi
en-aut-mei=Kohhei
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=University of Electro-Communications
en-keyword=CW complexes
kn-keyword=CW complexes
en-keyword=coaction map
kn-keyword=coaction map
en-keyword= Whitehead product.
kn-keyword= Whitehead product.
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=85
end-page=104
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Igusa Local Zeta Functions of Regular 2-Simple Prehomogeneous Vector Spaces of Type I with Universally Transitive Open Orbits
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=WakatsukiSatoshi
en-aut-sei=Wakatsuki
en-aut-mei=Satoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Osaka University
en-keyword=Igusa local zeta functions
kn-keyword=Igusa local zeta functions
en-keyword=prehomogeneous vector spaces
kn-keyword=prehomogeneous vector spaces
en-keyword= universally transitive open orbits.
kn-keyword= universally transitive open orbits.
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=77
end-page=84
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Principal Ideals in Ore Extensions
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper we prove that if R is a prime ring and I is an R-disjoint ideal of an Ore extension R[χ, δ,d], then I is closed and principal generated by a normal polynomial of minimal degree if and only if I contains a Sharma polynomial of minimal degree.
en-copyright=
kn-copyright=
en-aut-name=CortesWagner
en-aut-sei=Cortes
en-aut-mei=Wagner
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=FerreroMiguel
en-aut-sei=Ferrero
en-aut-mei=Miguel
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Universidade Estadual
affil-num=2
en-affil=
kn-affil=Universidade Federal do Rio Grande do Sul
en-keyword=principal ideals
kn-keyword=principal ideals
en-keyword=Sharma polynomials
kn-keyword=Sharma polynomials
en-keyword= Ore extensions.
kn-keyword= Ore extensions.
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=105
end-page=114
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Noncritical Belyi Maps
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In the present paper, we present a slightly strengthened version of a well-known theorem of Belyi on the existence of "Belyi maps".
Roughly speaking, this strengthened version asserts that there exist Belyi maps which are unramified at [cf.Theorem 2.5] - or even near [cf.Corollary 3.2] - a prescribed finite set of points.
en-copyright=
kn-copyright=
en-aut-name=MochizukiShinichi
en-aut-sei=Mochizuki
en-aut-mei=Shinichi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
affil-num=1
en-affil=
kn-affil=Kyoto University
en-keyword=Belyi map
kn-keyword=Belyi map
en-keyword= Zariski base.
kn-keyword= Zariski base.
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=39
end-page=76
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Eigenloci of 5 Point Configurations on the Riemann Sphere and the Grothendieck-Teichm・ler Group
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=LochakPierre
en-aut-sei=Lochak
en-aut-mei=Pierre
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=NakamuraHiroaki
en-aut-sei=Nakamura
en-aut-mei=Hiroaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=SchnepsLeila
en-aut-sei=Schneps
en-aut-mei=Leila
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=175 rue de Chevaleret
affil-num=2
en-affil=
kn-affil=Okayama University
affil-num=3
en-affil=
kn-affil=175 rue de Chevaleret
en-keyword=Riemann Spheres;Point Configurations;Grothendieck-Teichm?ler Group;Galois Group;Rational Numbers;Modular Group
kn-keyword=Riemann Spheres;Point Configurations;Grothendieck-Teichm?ler Group;Galois Group;Rational Numbers;Modular Group
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=31
end-page=38
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Hasse Principle" for Finite p-Groups with Cyclic Subgroups of Index p2
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=FumaMichitaku
en-aut-sei=Fuma
en-aut-mei=Michitaku
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=NinomiyaYasushi
en-aut-sei=Ninomiya
en-aut-mei=Yasushi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
affil-num=1
en-affil=
kn-affil=Shinshu University
affil-num=2
en-affil=
kn-affil=Shinshu University
END
start-ver=1.4
cd-journal=joma
no-vol=46
cd-vols=
no-issue=1
article-no=
start-page=17
end-page=30
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2004
dt-pub=200401
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Upper Cohen-Macaulay Dimension
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=In this paper, we define a homological invariant for finitely generated modules over a commutative noetherian local ring, which we call upper Cohen-Macaulay dimension. This invariant is quite similar to Cohen-Macaulay dimension that has been introduced by Gerko. Also we
define a homological invariant with respect to a local homomorphism of local rings. This invariant links upper Cohen-Macaulay dimension with Gorenstein dimension.
en-copyright=
kn-copyright=
en-aut-name=ArayaTokuji
en-aut-sei=Araya
en-aut-mei=Tokuji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TakahashiRyo
en-aut-sei=Takahashi
en-aut-mei=Ryo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=YoshinoYuji
en-aut-sei=Yoshino
en-aut-mei=Yuji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama University
affil-num=2
en-affil=
kn-affil=Okayama University
affil-num=3
en-affil=
kn-affil=Okayama University
en-keyword=Gorenstein dimension (G-dimension)
kn-keyword=Gorenstein dimension (G-dimension)
en-keyword= Cohen-Macaulay dimension (CM-dimension).
kn-keyword= Cohen-Macaulay dimension (CM-dimension).
END
start-ver=1.4
cd-journal=joma
no-vol=17
cd-vols=
no-issue=1
article-no=
start-page=59
end-page=65
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1974
dt-pub=197412
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Imbeddings of some separable extensions in Galois extensions
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
kn-copyright=
en-aut-name=NagaharaTakasi
en-aut-sei=Nagahara
en-aut-mei=Takasi
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kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
affil-num=1
en-affil=
kn-affil=University Of Petroleum And Minerals
affil-num=2
en-affil=
kn-affil=Okayama University
affil-num=3
en-affil=
kn-affil=University Of California
END