The (2,2,0) group inverse problem

被引：18

作者：

Patricio, P. ^{[1
]}

Hartwig, R. E. ^{[2
]}

机构：

[1] Univ Minho, Dept Matemat & Aplicacoes, P-4710057 Braga, Portugal

[2] N Carolina State Univ, Dept Math, Raleigh, NC 27695 USA

来源：

APPLIED MATHEMATICS AND COMPUTATION | 2010年 / 217卷 / 02期

关键词：

Group inverse; Block matrices; BLOCK MATRICES;

D O I：

10.1016/j.amc.2010.05.084

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We characterize the existence of the group inverse of a two by two matrix with zero (2,2) entry, over a ring by means of the existence of the inverse of a suitable function of the other three entries. Some special cases are derived. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：516 / 520

页数：5

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