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Év szerint | Hónap szerint | Ugrás a hónaphoz | |
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Sándor Radeleczki: Generalized transitivity and related types of n-ary relations |
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Szerda, 24. Április 2024, 10:10 - 11:40
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Equivalence relations and quasiorders (i.e., reflexive and transitive binary relations) ρ have the property that an n-ary operation f preserves ρ, if and only if each unary polynomial function obtained from f by substituting constants preserves ρ. We already proved that a wider class of n-ary relations -- called generalized quasiorders -- have the same property. As a next step we introduce the notions of an n-ary equivalence relation and of an n-ary order relation, and we prove that n-ary equivalence relations can be constructed by using only ordinary (binary) equivalence relations. Some factor-structure constructions are also investigated. |
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