Certain congruences on orthodox semigroups (Q1239279)
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scientific article; zbMATH DE number 3558113
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Certain congruences on orthodox semigroups |
scientific article; zbMATH DE number 3558113 |
Statements
Certain congruences on orthodox semigroups (English)
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1976
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Let \(S\) be a regular semigroup and \(E\) be the set of all its idempotents. The semigroup \(S\) is called unitary semigroup if \(e,ea\in E\) implies \(a\in E\) for all \(a,e\in S\). Regular semigroups are described which are underdirect products of unitary semigroups and semilattices of groups.
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