摘要
假设T是Morita Contexts(A,B,M,N,ψ,φ)的环,如果A和B是正则QB环,本文证明了T中任何元素都是幂等元和伪逆元之和.
Let T be the ring of a Morita context (A, B, M, N,ψ,φ). If A and B are regular QB-rings, we prove that every element in T is the sum of an idempotent and a pseudo-invertible element.
出处
《数学进展》
CSCD
北大核心
2009年第2期204-208,共5页
Advances in Mathematics(China)