Lyndon's groupoid generates a small almost cross variety.

DOI10.1007/S00012-009-2120-6zbMath1191.20076OpenAlexW2087792324MaRDI QIDQ1047088

Edmond W. H. Lee

Publication date: 4 January 2010

Published in: Algebra Universalis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00012-009-2120-6

zbMATH Keywords

lattices of varietiescross varietiesLyndon groupoidnon-finitely based finite groupoids

Mathematics Subject Classification ID

Lattices of varieties (08B15) Varieties and pseudovarieties of semigroups (20M07) Sets with a single binary operation (groupoids) (20N02)

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The equational complexity of Lyndon's algebra ⋮ FINITELY GENERATED LIMIT VARIETIES OF APERIODIC MONOIDS WITH CENTRAL IDEMPOTENTS

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