A generalized closure and complement phenomenon
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Publication:795354
DOI10.1016/0012-365X(84)90055-4zbMath0542.54001MaRDI QIDQ795354
Publication date: 1984
Published in: Discrete Mathematics (Search for Journal in Brave)
closure operatorsunionsintersectionsdifunctional closures of binary relationsKleene closures of languagessemi-topologiestopological closurestransitive closures of non-binary relations
Formal languages and automata (68Q45) Topological spaces and generalizations (closure spaces, etc.) (54A05) Other classical set theory (including functions, relations, and set algebra) (03E20)
Related Items (13)
On closures verifying that the interior of a closed element is closed ⋮ On the orbit of closure-involution operations -- the case of formal languages ⋮ Complements and consistent closures ⋮ Algebras from Semiconcepts in Rough Set Theory ⋮ The radical-annihilator monoid of a ring ⋮ Peirce allegories. Identities involving transitive elements and symmetrical ones ⋮ About the finiteness of monoids generated by closures and interiors ⋮ A uniform approach to normality for topological spaces ⋮ Some remarks on the orbit of closure-involution operations on languages ⋮ CLOSURES IN FORMAL LANGUAGES AND KURATOWSKI'S THEOREM ⋮ Closures in Formal Languages and Kuratowski’s Theorem ⋮ ON PARTITIONS SEPARATING WORDS ⋮ Composition and orbits of language operations: finiteness and upper bounds
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