河合 秀泰

Isomorphism classes of commutative algebras generated by idempotents 

Journal of Algebra and Its Applications 20(02) 2150008-2150008 2021年2月  査読有り責任著者

Subgroups of an abelian group, related ideals of the group ring, and quotients by those ideals 

arXiv : 1908.02968v1[math.AC]8 Aug 2019 2019年8月  

Commutative rings over which algebras generated by idempotents are quotients of group algebras 

Journal of Commutative Algebra 7(3) 373-391 2015年  査読有り

Commutative group algebras whose quotient rings by nilradicals are generated by idempotents 

Rocky Mountain Journal of Mathematics 41(1) 229-238 2011年  査読有り

Construction of maximal ideals of commutative group algebras 

International Journal of Algebra and Computation 20(3) 381-389 2010年5月  査読有り

Conditions for a product of residue-class rings of a ring to be generated by A p-group of units 

Communications in Algebra 33(2) 371-379 2005年  査読有り

Commutative group algebras generated by idempotents 

Toyama Mathematical Journal 28 41-54 2005年  査読有り

Algebras generated by idempotents and commutative group algebras over a ring 

Communications in Algebra 30(1) 119-128 2002年  査読有り

A note on isomorphisms of commutative group algebras 

Mathematics Journal of Toyama University 19 171-177 1996年  査読有り

A note on prime ideals in a formal power series ring 

The Science Reports of Kanazawa University 31((1, 2)) 1-4 1986年