scientific article

zbMath0983.20064MaRDI QIDQ2709036

José Carlos Costa

Publication date: 21 January 2002

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

zbMATH Keywords

pseudovarieties of semigroupsvarieties of languagesBoolean closures over classes of languagesclasses of testable languagesEilenberg theoremsyntactical congruencessyntactical semigroups

Mathematics Subject Classification ID

Lattices of varieties (08B15) Algebraic theory of languages and automata (68Q70) Semigroups in automata theory, linguistics, etc. (20M35)

Related Items (1)

Pseudovarieties defining classes of sofic subshifts closed under taking shift equivalent subshifts.

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