Approximations in a semigroup by using a neighbourhood system

DOI10.1080/00207161003746097zbMath1214.20064OpenAlexW2001510831MaRDI QIDQ2995472

Bijan Davvaz

Publication date: 21 April 2011

Published in: International Journal of Computer Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/00207161003746097

zbMATH Keywords

rough setsequivalencesapproximation operatorslower approximationsupper approximationsneighbourhood systemsneighbourhood operatorsapproximations in semigroups

Mathematics Subject Classification ID

Commutative semigroups (20M14) Fuzzy groups (20N25) Hypergroups (20N20)

Related Items (3)

Upper M-approximate operators and M-closed sets1 ⋮ Rough Algebraic Structures Corresponding to Ring Theory ⋮ Rough Intuitionistic Fuzzy Information Systems

Cites Work

• Roughness in rings.
• A new view of the approximations in \(H_v\)-groups.
• The lower and upper approximations in a hypergroup
• Rough ideals in semigroups
• Neighborhood operator systems and approximations
• Approximations in \(n\)-ary algebraic systems
• Rough approximations in a general approximation space and their fundamental properties
• Rough sets
• A NEW CHARACTERIZATION OF THE DERIVED HYPERGROUP VIA STRONGLY REGULAR EQUIVALENCES
• Unnamed Item

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