On the fundamental double four-spiral semigroup

zbMath0847.20059MaRDI QIDQ1914926

Pierre Antoine Grillet

Publication date: 9 October 1996

Published in: Bulletin of the Belgian Mathematical Society - Simon Stevin (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/118873

zbMATH Keywords

relationsidempotentscongruencesRees matrix semigroupsdouble four-spiral semigroupfree monoid on two generators

Mathematics Subject Classification ID

Free semigroups, generators and relations, word problems (20M05) Regular semigroups (20M17)

Related Items (1)

Properties of the subsemigroups of the bicyclic monoid

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