Hereditarily finitely based monoids of extensive transformations |
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| Authors: | Edmond W. H. Lee |
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| Affiliation: | 1. Department of Mathematics, Simon Fraser University, Burnaby, British Columbia, V5A 1S6, Canada
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| Abstract: | It is shown that the monoid E n of extensive transformations of a chain of order n is hereditarily finitely based if and only if n ≤ 3. It follows that the submonoid OE n of order-preserving transformations in E n is also hereditarily finitely based if and only if n ≤ 3. |
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