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Irreducible Generating Sets of Complete Semigroups of Unions Bx(D) Defined by Semilattices of Class Σ2(X, 4), Where |X| = 3


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Abstract

In complete semigroups of unions Bx(D) defined by semilattices of class Σ2(X, 4), where |X| = 3, we select subsets of a certain type on which a binary equivalent relation is defined. By means of this relation, we describe irreducible generating sets of considered semigroups.

About the authors

O. Givradze

Shota Rustaveli Batumi State University

Author for correspondence.
Email: omari@mail.ru
Georgia, Batumi

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