Generalized inverses modulo H in semigroups and rings

被引:61
作者
Mary, Xavier [1 ]
Patricio, Pedro [2 ]
机构
[1] Univ Paris Ouest Nanterre La Def, Lab Modal X, F-92000 Nanterre, France
[2] Univ Minho, Dept Matemat & Aplicacoes, P-4710057 Braga, Portugal
关键词
generalized inverses; Green's relations; semigroups; rings; 15A09; 16E50; 20M99; MOORE-PENROSE INVERSE;
D O I
10.1080/03081087.2012.731054
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
The definition of the inverse along an element was very recently introduced, and it contains known generalized inverses such as the group, Drazin and Moore-Penrose inverses. In this article, we first prove a simple existence criterion for this inverse in a semigroup, and then relate the existence of such an inverse in a ring to the ring units.
引用
收藏
页码:1130 / 1135
页数:6
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