On the lattice of quasi-filters of left congruence on a principal left ideal semigroups

Author M. Ya. Komarnitskiy, R. M. Oliynyk
mykola_komarnytsky@yahoo.com, forvard-or@ukr.net
Ivan Franko National University of Lviv, Lviv National Agrarian University

Abstract The lattice structure on quasi-filters of left congruence on a principal left ideal semigroup are described.
Keywords lattice structure; quasi-filter
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Pages 128-130
Volume 35
Issue 2
Year 2011
Journal Matematychni Studii
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