Abundant semigroups with medial idempotents

The effect of the existence of a medial or related idempotent in any abundant semigroup is the subject of this paper. The aim is to naturally order any abundant semigroup $S$ which contains an ample multiplicative medial idempotent $u$ in a way that $\mathcal{L}^*$ and $\mathcal{R}^*$ are compatible...

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Main Author: Abdulsalam El-Qallali
Format: Article
Language:English
Published: Shahid Beheshti University 2021-07-01
Series:Categories and General Algebraic Structures with Applications
Subjects:
Online Access:https://cgasa.sbu.ac.ir/article_87496_a4ebaaabf0e12fcab41f427e46088cd3.pdf
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author Abdulsalam El-Qallali
author_facet Abdulsalam El-Qallali
author_sort Abdulsalam El-Qallali
collection DOAJ
description The effect of the existence of a medial or related idempotent in any abundant semigroup is the subject of this paper. The aim is to naturally order any abundant semigroup $S$ which contains an ample multiplicative medial idempotent $u$ in a way that $\mathcal{L}^*$ and $\mathcal{R}^*$ are compatible  with the natural order and $u$ is a maximum idempotent. The structure of an abundant semigroup containing an ample normal medial idempotent studied in \cite{item6} will be revisited.
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spelling doaj.art-63a9b374865d4f5ca3298f3216479d862022-12-21T22:28:34ZengShahid Beheshti UniversityCategories and General Algebraic Structures with Applications2345-58532345-58612021-07-0115113410.52547/cgasa.15.1.187496Abundant semigroups with medial idempotentsAbdulsalam El-Qallali0Department of Mathematics, Faculty of Science, University of Tripoli, Tripoli, LibyaThe effect of the existence of a medial or related idempotent in any abundant semigroup is the subject of this paper. The aim is to naturally order any abundant semigroup $S$ which contains an ample multiplicative medial idempotent $u$ in a way that $\mathcal{L}^*$ and $\mathcal{R}^*$ are compatible  with the natural order and $u$ is a maximum idempotent. The structure of an abundant semigroup containing an ample normal medial idempotent studied in \cite{item6} will be revisited.https://cgasa.sbu.ac.ir/article_87496_a4ebaaabf0e12fcab41f427e46088cd3.pdfabundant semigroupsample semigroupsmedial idempotentsnaturally ordered semigroups
spellingShingle Abdulsalam El-Qallali
Abundant semigroups with medial idempotents
Categories and General Algebraic Structures with Applications
abundant semigroups
ample semigroups
medial idempotents
naturally ordered semigroups
title Abundant semigroups with medial idempotents
title_full Abundant semigroups with medial idempotents
title_fullStr Abundant semigroups with medial idempotents
title_full_unstemmed Abundant semigroups with medial idempotents
title_short Abundant semigroups with medial idempotents
title_sort abundant semigroups with medial idempotents
topic abundant semigroups
ample semigroups
medial idempotents
naturally ordered semigroups
url https://cgasa.sbu.ac.ir/article_87496_a4ebaaabf0e12fcab41f427e46088cd3.pdf
work_keys_str_mv AT abdulsalamelqallali abundantsemigroupswithmedialidempotents