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zbMath0695.20035MaRDI QIDQ3470648

T. N. Trakhtman

Publication date: 1987

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

presentations semigroup varieties bases of identities Clifford semigroups infinite irreducible bases

Mathematics Subject Classification ID

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

Related Items (4)

Finite basis problem for 2-testable monoids. ⋮ Finite basis problem for involution monoids of unitriangular Boolean matrices ⋮ Non-finitely based monoids. ⋮ Non-Specht variety generated by an involution semigroup of order five

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