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- Title
An application of a Theorem of Ash to finite covers.
- Authors
Karl Auinger; Gracinda M. S. Gomes; Victoria Gould; Benjamin Steinberg
- Abstract
Abstract The technique of covers is now well established in semigroup theory. The idea is, given a semigroup S, to find a semigroup S having a better understood structure than that of S, and an onto morphism ? of a specific kind from S to S. With the right conditions on ?, the behaviour of S is closely linked to that of S. If S is finite one aims to choose a finite S. The celebrated results for inverse semigroups of McAlister in the 1970’s form the flagship of this theory.
- Publication
Studia Logica, 2004, Vol 78, Issue 1/2, p45
- ISSN
0039-3215
- Publication type
Article
- DOI
10.1007/s11225-005-5057-6