EP elements in rings

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Abstract

In this paper, we present a number of new characterizations of EP elements in rings with involution in purely algebraic terms, and considerably simplify proofs of already existing characterizations.

MSC

16B99
16W10
46L05

Keywords

EP elements
Moore–Penrose inverse
Group inverse
Ring with involution

Cited by (0)

1

The authors are supported by the Ministry of Science, Republic of Serbia, Grant No. 144003.