Moore-Penrose inverses in rings and weighted partial isometries in C*−algebras

Ruju Zhao, Hua Yao and Junchao Wei

Applied Mathematics and Computation, 2021, vol. 395, issue C

Abstract: We explore the existence of MP-inverse in rings with involution. In addition, we give some equivalent conditions for an element of a C*−algebra to be a weighted-EP element and weighted partial isometry.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:395:y:2021:i:c:s0096300320307852

DOI: 10.1016/j.amc.2020.125832

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