On the lattice of sub-pseudovarieties of DA.

DOI10.1007/s00233-010-9258-6zbMath1213.20054arXiv0904.2893OpenAlexW2113769955MaRDI QIDQ711615

Manfred Kufleitner, Pascal Weil

Publication date: 27 October 2010

Published in: Semigroup Forum (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0904.2893

zbMATH Keywords

bases of pseudoidentitiesMalcev productspseudovarieties of finite semigroupscomplete lattice homomorphismslattices of band varietieslattices of pseudovarietiesvarieties of languages

Mathematics Subject Classification ID

Lattices of varieties (08B15) Varieties and pseudovarieties of semigroups (20M07) Semigroups in automata theory, linguistics, etc. (20M35) Quasivarieties (08C15)

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The word problem for omega-terms over the Trotter-Weil hierarchy ⋮ On FO 2 Quantifier Alternation over Words ⋮ SOME OPERATORS THAT PRESERVE THE LOCALITY OF A PSEUDOVARIETY OF SEMIGROUPS ⋮ The Word Problem for Omega-Terms over the Trotter-Weil Hierarchy

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