Additive Results of Group Inverses in Banach Algebras

Author:

Liu Dayong1ORCID,Chen Huanyin2

Affiliation:

1. College of Computer and Mathematics, Central South University of Forestry and Technology, Changsha 410004, China

2. School of Big Data, Fuzhou University of International Studies and Trade, Fuzhou 350202, China

Abstract

In this paper, we present new presentations of group inverses for the sum of two group invertible elements in a Banach algebra. We then apply these results to block complex matrices. The group invertibility of certain block complex matrices is thereby obtained.

Funder

Science Research Foundation of Education Department of Hunan Province

Publisher

MDPI AG

Reference14 articles.

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2. The group inverse of some circulant matrices;Carmona;Linear Algebra Appl.,2021

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4. Additive results for the group inverse in an algebra with applications to block operators;Benitez;Linear Multilinear Algebra,2011

5. On the group inverse for the sum of matrices;Bu;J. Aust. Math. Soc.,2014

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