关于态射集中的Γ-逆与星序  

On Γ-inverses and star ordering in morphism set

作　　者：周敏娜[1] 

机构地区：[1]宁波大学科技学院,浙江宁波315211

出　　处：《纯粹数学与应用数学》2009年第2期244-250,共7页Pure and Applied Mathematics

基　　金：国家自然科学基金(10471069)

摘　　要：研究态射集中的Γ-逆的存在条件与星序的刻划.利用Γ-环的方法得到了Γ-Moo-re-Penrose逆存在的一些条件.给出了Γ-Moore-Penrose逆与星序的联系以及星序的一些Γ-逆刻划.The purpose of this paper is to study conditions on existence of the Г-inverses and characterizations on the star ordering in morphism set. By the methods of Г-ring, some conditions on existence of the Г-Moore- Penrose inverses are obtained. The relations between the Г-Moore-Penrose inverses and the star ordering and some characterizations on Г-inverses of the star ordering are given.

关 键 词：态射 Γ-逆 Γ-Moore-Penrose逆 星序 

分 类 号：O153.3[理学—数学]