start-ver=1.4 cd-journal=joma no-vol=41 cd-vols= no-issue=1 article-no= start-page=71 end-page=74 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=Note on Separable Crossed Products en-subtitle= kn-subtitle= en-abstract= kn-abstract= en-copyright= kn-copyright= en-aut-name=IkehataShuichi en-aut-sei=Ikehata en-aut-mei=Shuichi 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=Separable extensions kn-keyword=Separable extensions en-keyword=H-separable extensions kn-keyword=H-separable extensions en-keyword=crossed products kn-keyword=crossed products en-keyword=Galois extensions. kn-keyword=Galois extensions. END start-ver=1.4 cd-journal=joma no-vol=41 cd-vols= no-issue=1 article-no= start-page=63 end-page=69 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=Purely Inseparable Ring Extensions and Azumaya Algebras en-subtitle= kn-subtitle= en-abstract= kn-abstract= en-copyright= kn-copyright= en-aut-name=IkehataShuichi en-aut-sei=Ikehata en-aut-mei=Shuichi 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=Derivations kn-keyword=Derivations en-keyword=Skew polynomial rings kn-keyword=Skew polynomial rings en-keyword=H-separable extensions kn-keyword=H-separable extensions en-keyword=Purely inseparable extensions of exponent one kn-keyword=Purely inseparable extensions of exponent one en-keyword= Azumaya algebras. kn-keyword= Azumaya algebras. END