## Editors

Mitsuyasu HASHIMOTO (Invariant Theory), Masao HIROKAWA (Mathematical Physics),Tomoyuki KAKEHI (Integral Geometry), Kazuyoshi KIYOHARA (Riemannian Geometry), Kazuhisa SHIMAKAWA (Algebraic Topology), Masaharu TANIGUCHI (Partial Differential Equation), Hiro-Fumi YAMADA (Representation Theory), Yuji YOSHINO (Commutative Algebra) |

Mathematical Journal of Okayama University (ISSN 0030-1566) was founded in 1952 by Mikao MORIYA, Takeshi INAGAKI, Masaru OSIMA and Tominosuke OTSUKI, and publishes original papers on pure and applied mathematics. Currently, each volume in principle appears annually and contains about 200 pages. All articles are peer reviewed by experts. Any communications relating to this publication should be addressed by email to : journal＠math.okayama-u.ac.jp or by post to : Editorial Office of Mathematical Journal of Okayama University, Department of Mathematics, Faculty of Science, Okayama University, Okayama 700-8530, Japan. Instructions to contributors are on the inside page of back cover and can be found in Journal Information site | ||

# Current Issue: Volume 58, Issue 1

Asymptotic properties in forward directions of resolvent kernels of magnetic Schrödinger operators in two dimensions

Hideo Tamura

Aharonov--Bohm effect in resonances of magnetic Schrödinger operators in two dimensions II

Hideo Tamura

Aharonov--Bohm effect in resonances of magnetic Schrödinger operators in two dimensions III

Hideo Tamura

Another description of quasi tertiary composition

Hideaki Ōshima , Katsumi Ōshima

On finite rings over which every free codes is splitting

Yasuyuki Hirano

Alternative approach for Siegel's lemma

Makoto Nagata