Operators and products in the lattice of existence varieties of regular semigroups

DOI10.1007/BF02574117zbMath0854.20069OpenAlexW1965816059MaRDI QIDQ1916035

Shuhua Zhang, Norman R. Reilly

Publication date: 1 December 1996

Published in: Semigroup Forum (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/135466

zbMATH Keywords

wreath productssemidirect productsvarieties of groupscompletely simple semigroupspseudovarietiesleft zero semigroupsMalcev productlattice of varieties of completely regular semigroupse-varieties of regular semigroupscomplete congruencese-varieties of left groups

Mathematics Subject Classification ID

Lattices of varieties (08B15) Varieties and pseudovarieties of semigroups (20M07) Regular semigroups (20M17) Subalgebras, congruence relations (08A30)

Related Items (4)

Commutativity of operators on the lattice of existence varieties ⋮ Corrigendum: Operators and products in the lattice of existence varieties of regular semigroups ⋮ Associativity of products of existence varieties of regular semigroups ⋮ Rees matrix covers and semidirect products of regular semigroups

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