Combinatorial results for certain semigroups of transformations preserving orientation and a uniform partition
Let TX be the full transformation semigroup on a set X and E be a non-trivial equivalence on X. The set TE(X)={f?TX:?(x,y)?E,(f(x),f(y))?E} is a subsemigroup of TX. For a finite totally ordered set X and a convex equivalence E on X, the set of all the orientation-preserving transformations in TE(X)...
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| Format: | Journal |
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Bulletin of the Malaysian Mathematical Sciences Society , Malaysian Mathematical Sciences Society, Universiti Sains Malaysia, Springer
2013
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| Online Access: | http://www.myjurnal.my/public/article-view.php?id=66145 |