Varieties of Commutative Semigroups

DOI10.2307/2154694zbMath0801.20042OpenAlexW4233108851MaRDI QIDQ4292747

Andrzej P. Kisielewicz

Publication date: 4 December 1994

Full work available at URL: https://doi.org/10.2307/2154694

zbMATH Keywords

word problemremainderlattice of varieties of commutative semigroupswell-quasi- ordering\(S\)-theoryfinite sequences of non-negative integersfree semigroups in commutative semigroup varietiesNP-complete bin-packing problem

Mathematics Subject Classification ID

Lattices of varieties (08B15) Varieties and pseudovarieties of semigroups (20M07) Commutative semigroups (20M14) Free semigroups, generators and relations, word problems (20M05)

Related Items (16)

The structure and definability in the lattice of equational theories of strongly permutative semigroups ⋮ Upper-modular and related elements of the lattice of commutative semigroup varieties ⋮ Definability in the lattice of equational theories of commutative semigroups ⋮ Finitely generated permutative varieties. ⋮ Unification in commutative semigroups ⋮ Complexity of some language fragments of fuzzy logics ⋮ Distributive and neutral elements of the lattice of commutative semigroup varieties. ⋮ Permutability class of a semigroup ⋮ THE RANKS OF PLANARITY FOR VARIETIES OF COMMUTATIVE SEMIGROUPS ⋮ Covering relation for equational theories of commutative semigroups ⋮ Modular and lower-modular elements of lattices of semigroup varieties. ⋮ Open questions related to the problem of Birkhoff and Maltsev ⋮ Lattices of semigroup varieties ⋮ Automorphisms of the lattice of equational theories of commutative semigroups ⋮ The lattice of varieties of monoids ⋮ Irreducible varieties of commutative semigroups

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