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Isolated subsemigroups in the variants of Tn
V. Mazorchuk and G. Tsyaputa
Received: October 9, 2006;; Revised: August 30, 2007; Accepted: January 28, 2008
Abstract. We classify all isolated, completely isolated and convex subsemigroups in the semigroup Tn of all transformations of an n-element set, considered as the semigroup with respect to a sandwich operation.
AMS Subject classification: Primary: 20M20; Secondary: 20M10.
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