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zbMath0572.68059MaRDI QIDQ3690240

Virgil Emil Căzănescu

Publication date: 1983

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

zbMATH Keywords

normal forms context-free grammars monoids closure properties classification problem rational subsets Chomsky hierarchy recognizable subsets

Mathematics Subject Classification ID

Introductory exposition (textbooks, tutorial papers, etc.) pertaining to computer science (68-01) Formal languages and automata (68Q45) Semigroups in automata theory, linguistics, etc. (20M35)

Related Items (1)

Contraction algebras and unification of (infinite) terms

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