The lattice of quasivarieties of semigroups
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Publication:1080452
DOI10.1007/BF01188054zbMath0599.08014OpenAlexW2083369631MaRDI QIDQ1080452
Publication date: 1985
Published in: Algebra Universalis (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1007/bf01188054
lattice of subquasivarietiescommutative 3-nilpotent semigrouplattice of quasivarieties of semigroupsQ-universalquasivariety of algebras of finite typeultra-products
Lattices of varieties (08B15) Varieties and pseudovarieties of semigroups (20M07) Representation theory of lattices (06B15) Quasivarieties (08C15)
Related Items (28)
Structure of quasivariety lattices. IV: Nonstandard quasivarieties ⋮ Joins of minimal quasivarieties ⋮ Universal varieties of quasi-Stone algebras ⋮ A relatively finite-to-finite universal but not Q-universal quasivariety ⋮ Inverse subsemigroups and classes of finite aperiodic semigroups. ⋮ Structure of lattices of varieties and lattices of quasivarieties: Similarity and difference. I ⋮ Lattices of subclasses. III ⋮ Structure of lattices of varieties and lattices of quasivarieties: Similarity and difference. II ⋮ Quasivarieties of graphs ⋮ Unnamed Item ⋮ ENDOMORPHISMS OF DISTRIBUTIVE LATTICES WITH A QUANTIFIER ⋮ Complexity of quasivariety lattices. ⋮ On sufficient conditions for \(Q\)-universality ⋮ On a class of subsemigroup lattices ⋮ Quasivarieties of Graphs and Independent Axiomatizability ⋮ Semigroups embeddable in hyperplane face monoids. ⋮ On the quasivarieties generated by a finite group and lacking any independent bases of quasi-identities ⋮ Flat algebras and the translation of universal Horn logic to equational logic ⋮ On the complexity of quasivariety lattices ⋮ Independent axiomatizability of quasivarieties of torsion-free nilpotent groups ⋮ Complexity of quasivariety lattices of pointed Abelian groups. ⋮ Lattices of subclasses. II ⋮ Structure of quasivariety lattices. I: Independent axiomatizability ⋮ On relative universality and \(Q\)-universality ⋮ Open questions related to the problem of Birkhoff and Maltsev ⋮ QUASIVARIETIES OF IDEMPOTENT SEMIGROUPS ⋮ Almost \textit{ff}-universality implies \(Q\)-universality ⋮ Quasivariety lattices of pointed abelian groups.
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