Improvements on the reverse order laws

Dragana Cvetković Ilić and Jovana Milenković

Mathematische Nachrichten, 2023, vol. 296, issue 7, 2850-2858

Abstract: In many papers concerning properties of generalized inverses in different settings, we can find the results with many redundant instances of assuming regularity of certain elements. We have made an effort to widen the range of applicability of concrete results by considering more general cases of the problems without imposing any such additional assumptions. This was the main motivation for this paper, and we present several significant improvements of the reverse order laws on {1,3}$\lbrace 1,3\rbrace$ and {1,2,3}$\lbrace 1,2,3\rbrace$‐inverses in the ring setting.

Date: 2023
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https://doi.org/10.1002/mana.202100661

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