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Sandwich semigroups and Brandt semigroups

In this paper we study a connection between variants of semigroups and Brandt semigroups. We find necessary conditions under which a variant of a semigroup is a Brandt semigroup. For variants of Rees matrix semigroups we studied a structure of a sandwich matrix. We proved that if semigroup does not...

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Bibliographic Details
Date:	2024
Main Authors:	Desiateryk, Oleksandra O., Ganyushkin, Olexandr G.
Format:	Article
Language:	English
Published:	Lugansk National Taras Shevchenko University 2024
Subjects:	variant sandwich semigroup Brandt semigroup Rees matrix semigroup 20M10 20M17 20M18
Online Access:	https://admjournal.luguniv.edu.ua/index.php/adm/article/view/2222
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Journal Title:	Algebra and Discrete Mathematics

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Algebra and Discrete Mathematics

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