Automorphisms of partial endomorphism semigroups

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Abstract

In this paper we propose a general recipe for calculating the automorphism groups of semigroups consisting of partial endomorphisms of relational structures over a finite set with a single m-ary relation for any m is an element of N. We use this recipe to determine the automorphism groups of the following semigroups: the full transformation semigroup, the partial transformation semigroup, and the symmetric inverse semigroup, the wreath product of two full transformation semigroups, the partial endomorphisms of any partially ordered set, the full spectrum of semigroups of partial mappings preserving or reversing a linear or circular order.
Original languageUnknown
Pages (from-to)23-39
JournalPublicationes Mathematicae-Debrecen
Volume79
Issue number1-2
Publication statusPublished - 1 Jan 2011

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