Which of the cancellative semigroups are groups? (Q1281624)
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scientific article; zbMATH DE number 1268038
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Which of the cancellative semigroups are groups? |
scientific article; zbMATH DE number 1268038 |
Statements
Which of the cancellative semigroups are groups? (English)
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1 December 1999
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It is proved that a cancellative semigroup \((S,\cdot)\) is a group iff there exists a function \(f\colon S\to S\) such that the set \(\{sf(s)\mid s\in S\}\) is finite.
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cancellative semigroups
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groups
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