The number of non-isomorphic models in quasi-varieties of semigroups

DOI10.1007/BF01191768zbMath0525.20042MaRDI QIDQ594198

Ralph McKenzie

Publication date: 1983

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

zbMATH Keywords

counting functionsnumber of algebrasquasi- variety of semigroupsuniversal Horn class

Mathematics Subject Classification ID

Model-theoretic algebra (03C60) Varieties and pseudovarieties of semigroups (20M07) Quasivarieties (08C15)

Related Items (4)

TC semigroups and inflations ⋮ TAYLOR TERMS, CONSTRAINT SATISFACTION AND THE COMPLEXITY OF POLYNOMIAL EQUATIONS OVER FINITE ALGEBRAS ⋮ Semigroups obeying the term condition ⋮ A note on residually small varieties of semigroups

Cites Work

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• Counting models in universal Horn classes
• On the quasivarieties generated by finite semigroups
• Residually small varieties of semigroups
• Some applications of the term condition
• Boolean powers
• Classification theory and the number of non-isomorphic models
• Remarks on direct products of commutative semigroups
• Decidability and Boolean representations

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