A new view of the approximations in \(H_v\)-groups.

DOI10.1007/s00500-005-0031-9zbMath1106.20054OpenAlexW2014553090MaRDI QIDQ855189

Bijan Davvaz

Publication date: 4 January 2007

Published in: Soft Computing (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00500-005-0031-9

zbMATH Keywords

fundamental relationapproximation operatorsneighborhood operatorshyperoperationslower approximationsupper approximations

Mathematics Subject Classification ID

Hypergroups (20N20)

Related Items (15)

Unnamed Item ⋮ Pawlak's approximations in \(\Gamma\)-semihypergroups. ⋮ Generalized lower and upper approximations in quantales ⋮ The TL-fuzzy rough approximation operators on a lattice ⋮ Approximations in hypergroups and fuzzy hypergroups. ⋮ The \(\vartheta \)-lower and \(T\)-upper fuzzy rough approximation operators on a semigroup ⋮ The lower and upper approximations in a quotient hypermodule with respect to fuzzy sets. ⋮ Approximations in a semigroup by using a neighbourhood system ⋮ The lower and upper approximations in a hypergroup ⋮ On the structure of rough prime (primary) ideals and rough fuzzy prime (primary) ideals in commutative rings. ⋮ \(L\)-fuzzy roughness of \(n\)-ary polygroups. ⋮ Roughness in MV-algebras ⋮ Roughness in Cayley graphs ⋮ Rough sets induced by ideals in lattices ⋮ Rough hyperfilters in po-LA-semihypergroups

Cites Work

• Rough ideals in semigroups
• Rough sets in a fundamental ring
• Approximations in \(H_v\)-modules.
• Relational interpretations of neighborhood operators and rough set approximation operators
• Neighborhood operator systems and approximations
• Groupoides, demi-hypergroupes et hypergroupes
• Rough sets
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