On legal semigroups (Q5929903)
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scientific article; zbMATH DE number 1587105
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On legal semigroups |
scientific article; zbMATH DE number 1587105 |
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On legal semigroups (English)
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31 January 2002
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The authors call a semigroup \(S\) legal if either \(aba=ba\) and \(bab=ab\), or \(aba=ab\) and \(bab=ba\) for all \(a,b\) in \(S\). Any product in \(S\) is then an idempotent and the structure and general properties of legal semigroups are then investigated.
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regular semigroups
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bands
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idempotents
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legal semigroups
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