Two operators on the lattice of completely regular semigroup varieties

DOI10.1007/S002330010118zbMATH Open1002.20034OpenAlexW2136352333MaRDI QIDQ1601812

Haixuan Yang

Publication date: 27 June 2002

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

Full work available at URL: https://doi.org/10.1007/s002330010118

zbMATH Keywords

free unary semigroupsvarieties of orthogroupscompletely regular congruenceslattices of completely regular semigroup varietieslattices of fully invariant congruencesvarieties of semilattices

Mathematics Subject Classification ID

Lattices of varieties (08B15) Varieties and pseudovarieties of semigroups (20M07) Free semigroups, generators and relations, word problems (20M05) Regular semigroups (20M17) Subalgebras, congruence relations (08A30)

Related Items (2)

An equation for operators on varieties of completely regular semigroups ⋮ The Rhodes expansion and free objects in varieties of completely regular semigroups

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