On Drazin inverse of operator matrices

被引:20
作者
Cvetkovic, Aleksandar S. [1 ]
Milovanovic, Gradimir V. [2 ]
机构
[1] Univ Nis, Fac Sci & Math, Nish, Serbia
[2] Megatrend Univ, Fac Comp Sci, Novi Beograd 11070, Serbia
关键词
Drazin inverse; Generalized inverses; Bounded operators; Banach spaces; BLOCK MATRICES; REPRESENTATIONS; CONTINUITY;
D O I
10.1016/j.jmaa.2010.08.080
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this short paper, we offer (another) formula for the Drazin inverse of an operator matrix for which certain products of the entries vanish. We also give formula for the Drazin inverse of the sum of two operators under special conditions. (C) 2010 Elsevier Inc. All rights reserved.
引用
收藏
页码:331 / 335
页数:5
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