Near permutation semigroups

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Abstract

A transformation semigroup over a set X with N elements is said to be a near permutation semigroup if it is generated by a group of permutations on N elements and by a set of transformations of rank N −1. In this paper we make a summary of the author’s thesis, in which are exhibited ways of checking whether those specific transformation semigroups belong to various structural classes of semigroups, just by analysis of the generators and without first having to generate them.
Original languageEnglish
Title of host publicationSemigroups and Languages: Proceedings of the Workshop
EditorsIsabel M. Araújo, Mário J. J. Branco, Vítor H. Fernandes, Gracinda M. S. Gomes
Place of PublicationLisbon
PublisherWorld Scientific
Pages43-53
ISBN (Print)981-238-917-2
Publication statusPublished - Jul 2004
EventWorkshop on Semigroups and Languages - Universidade de Lisboa, Lisbon, Portugal
Duration: 27 Nov 200229 Nov 2002

Workshop

WorkshopWorkshop on Semigroups and Languages
CountryPortugal
CityLisbon
Period27/11/0229/11/02

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