摘要
设R是环且R的每个幂等元是左半中心的,本文中主要证明了下列条件是等价的:(1)R是强正则环;(2)R是左PP-环,且R是左WAP-内射环;(3)R是左WAP-内射环且R满足(*)条件.
Let R be a ring with idempotent elements which are semicentral,we mainly prove the following conditions are equivalent: (1) R is strongly regular ring;(2) R is a left PP-ring,and WAP-injective ring;(3) R is a left WAP-injective ring and satisfies(*)-condition.
出处
《安徽师范大学学报(自然科学版)》
CAS
北大核心
2010年第6期518-519,524,共3页
Journal of Anhui Normal University(Natural Science)
基金
安徽省教育厅自然科学研究重点项目(KJ2008A026
KJ2010A126)
安徽师范大学专项基金(2008XZX10)
关键词
左PP-环
强正则环
左半中心
left PP-ring
strongly regular ring
semicentral