Article ID Journal Published Year Pages File Type
6415830 Journal of Pure and Applied Algebra 2016 8 Pages PDF
Abstract

We show that, for every pseudovariety of groups H, the pseudovariety H¯, consisting of all finite semigroups all of whose subgroups lie in H, is irreducible for join and the Mal'cev and semidirect products.

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Related Topics
Physical Sciences and Engineering Mathematics Algebra and Number Theory
Preview
On the irreducibility of pseudovarieties of semigroups
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