Characterizations of coverings for upper approximation operators being closure operators

DOI10.1016/j.ins.2015.03.060zbMath1387.68216OpenAlexW2048114506MaRDI QIDQ1749200

Zuoming Yu, Xiaole Bai, Pei Wang, Xiaoxia Bian, Bin Chen

Publication date: 16 May 2018

Published in: Information Sciences (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.ins.2015.03.060

zbMATH Keywords

closure operatorcovering-based upper approximation operatorfirst symmetrical conditionsecond symmetrical conditiontriangle chain condition

Mathematics Subject Classification ID

Reasoning under uncertainty in the context of artificial intelligence (68T37) Fuzzy topology (54A40) Galois correspondences, closure operators (in relation to ordered sets) (06A15)

Related Items (8)

The rough membership function based on  C 10 ¯ and its applications ⋮ Topological structures of a type of granule based covering rough sets ⋮ Approximation Operators in Covering Based Rough Sets from Submodular Functions ⋮ Topological Properties for Approximation Operators in Covering Based Rough Sets ⋮ Knowledge reduction of dynamic covering decision information systems when varying covering cardinalities ⋮ The characterizations of upper approximation operators based on special coverings ⋮ Marcus-Wyse topological rough sets and their applications ⋮ The characterizations of upper approximation operators based on coverings

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