New results for EP matrices in indefinite inner product spaces

被引：2
|
作者：
Radojevic, Ivana M. [1 ]
机构：
[1] Univ Nis, Fac Sci & Math, Dept Math, Nish 18000, Serbia
来源：
CZECHOSLOVAK MATHEMATICAL JOURNAL | 2014年 / 64卷 / 01期
关键词：
EP matrix; indefinite matrix product; reverse order law; partial order; indefinite inner product space;
D O I：
10.1007/s10587-014-0086-9
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this paper we study J-EP matrices, as a generalization of EP-matrices in indefinite inner product spaces, with respect to indefinite matrix product. We give some properties concerning EP and J-EP matrices and find connection between them. Also, we present some results for reverse order law for Moore-Penrose inverse in indefinite setting. Finally, we deal with the star partial ordering and improve some results given in the "EP matrices in indefinite inner product spaces" (2012), by relaxing some conditions.
引用
收藏
页码：91 / 103
页数：13
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