On free subsemigroups (Q801043)
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scientific article; zbMATH DE number 3879165
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On free subsemigroups |
scientific article; zbMATH DE number 3879165 |
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On free subsemigroups (English)
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1984
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Let S be a cancellative semigroup and for a,b\(\in S\) let \(<a,b>\) be the subsemigroup of S generated by a,b. Then \(<a,b>\) is free or \(a<a,b>\cap b<a,b>\neq \emptyset.\) Several interesting consequences of this result are addressed in the paper.
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free subsemigroup
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cancellative semigroup
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