Developing Reverse Order Law for the Moore–Penrose Inverse with the Product of Three Linear Operators

Author:

Qi Yang1ORCID,Xiaoji Liu2,Yaoming Yu3

Affiliation:

1. College of Mathematics and Computing Science, Guangxi Key Laboratory of Cryptography and Information Security, Guilin University of Electronic Technology, Guilin 541004, China

2. College of Mathematics and Computing Science, Guangxi University for Nationalities, Nanning 530006, China

3. College of Education, Shanghai Normal University, Shanghai 200234, China

Abstract

In this paper, we study the reverse order law for the Moore–Penrose inverse of the product of three bounded linear operators in Hilbert spaces. We first present some equivalent conditions for the existence of the reverse order law A B C = C B A . Moreover, several equivalent statements of A A A B C = A B C and C C A B C = A B C are also deducted by the theory of operators.

Funder

National Natural Science Foundation of China

Publisher

Hindawi Limited

Subject

General Mathematics

Reference23 articles.

1. The Pseudo-Inverse of a Product

2. Generalized inverses and factorizations, Recent applications of generalized inverses;R. H. Bouldin;Pitman Research Notes in Mathematics Series,1982

3. Mixed-type reverse order law for products of three operators;N. Č. Dinčić;Linear Algebra and Its Applications,2011

4. Further results on the reverse order law for generalized inverses;D. S. Djordjević;SIAM Journal on Matrix Analysis and Applications,2007

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