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The product of the idempotents and an H-class of the finite full transformation semigroup

Higgins, PM (2012) 'The product of the idempotents and an H-class of the finite full transformation semigroup.' Semigroup Forum, 84 (2). 203 - 215. ISSN 0037-1912

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Abstract

We investigate the set products S=EH, where E is the set of idempotents of a finite full transformation semigroup T X and H is an arbitrary H-class of T X. We show that S is a semigroup and is a union of H-classes of T X. We determine the nature of this union through use of Hall's Marriage Lemma. We describe Green's relations and thereby show that S has regular elements of all possible ranks and that Reg(S) forms a right ideal of S. © 2012 Springer Science+Business Media, LLC.

Item Type: Article
Subjects: Q Science > QA Mathematics
Divisions: Faculty of Science and Health > Mathematical Sciences, Department of
Depositing User: Jim Jamieson
Date Deposited: 12 Feb 2013 13:05
Last Modified: 23 Jan 2019 00:17
URI: http://repository.essex.ac.uk/id/eprint/5514

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