Rough ideals in semigroups
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Publication:1273614
DOI10.1016/S0020-0255(96)00274-5zbMath0916.20046MaRDI QIDQ1273614
Publication date: 11 April 1999
Published in: Information Sciences (Search for Journal in Brave)
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Generalization of Pawlak's approximations in hypermodules by set-valued homomorphisms ⋮ Rough ideals under relations associated to fuzzy ideals ⋮ Approximations in a module by using set-valued homomorphisms ⋮ Approximations of bipolar fuzzy \(\Gamma \)-hyperideals of \(\Gamma \)-semihypergroups ⋮ Near approximations in rings ⋮ Cozero Divisor Graph of a Commutative Rough Semiring ⋮ Generalized lower and upper approximations in hyperrings ⋮ Rough \(S\)-acts ⋮ (\(\vartheta, T\))-fuzzy rough approximation operators and the \(TL\)-fuzzy rough ideals on a ring ⋮ Roughness in modules. ⋮ A new view of the approximations in \(H_v\)-groups. ⋮ Unnamed Item ⋮ Roughness based on fuzzy ideals ⋮ Rough convex cones and rough convex fuzzy cones ⋮ Unnamed Item ⋮ Unnamed Item ⋮ Prime ideals of nearness semirings ⋮ Lie rough groups ⋮ Pawlak's approximations in \(\Gamma\)-semihypergroups. ⋮ New types of soft rough sets in groups based on normal soft groups ⋮ Rough fuzzy ternary subsemigroups based on fuzzy ideals with three-dimensional congruence relation ⋮ A study on soft rough semigroups and corresponding decision making applications ⋮ On rough sets induced by fuzzy relations approach in semigroups ⋮ Generalized lower and upper approximations in quantales ⋮ Roughness of Filters in Equality Algebras ⋮ Rough set theory applied to finite dimensional vector spaces ⋮ Constructing a Hoop Using Rough Filters ⋮ Another approach to rough soft hemirings and corresponding decision making ⋮ Rough approximations in non-commutative residuated lattices ⋮ On rough set and fuzzy sublattice ⋮ The TL-fuzzy rough approximation operators on a lattice ⋮ Generalized \(\mathcal TL\)-fuzzy rough rings via \(\mathcal TL\)-fuzzy relational morphisms. ⋮ Rough fuzzy hyperideals in ternary semihypergroups. ⋮ Unnamed Item ⋮ The \(\vartheta \)-lower and \(T\)-upper fuzzy rough approximation operators on a semigroup ⋮ Generalized approximations of \(( \in ,\in \vee q) \)-fuzzy ideals in quantales ⋮ The lower and upper approximations in a quotient hypermodule with respect to fuzzy sets. ⋮ Roughness in m-semilattices1 ⋮ Rough sets induced by fuzzy ideals in BCK-Algebras ⋮ Roughness in n-ary semigroups based on fuzzy ideals ⋮ A kind of new rough set: Rough soft sets and rough soft rings ⋮ Generalized rough fuzzy ideals in quantales ⋮ Approximations in a semigroup by using a neighbourhood system ⋮ On A Rough Cayley Graph Related to Conjugacy Classes ⋮ Notes on ``The lower and upper approximations in a fuzzy group and ``Rough ideals in semigroups. ⋮ Rough Algebraic Structures Corresponding to Ring Theory ⋮ A short note on algebraic \(T\)-rough sets ⋮ The lower and upper approximations in a hypergroup ⋮ Approximations in \(n\)-ary algebraic systems ⋮ Rough semigroups and rough fuzzy semigroups based on fuzzy ideals ⋮ Topological rough groups ⋮ Fuzzy radicals and prime fuzzy ideals of ordered semigroups ⋮ Generalized roughness in fuzzy filters and fuzzy ideals with thresholds in ordered semigroups ⋮ Roughness in \(n\)-ary hypergroups. ⋮ On the structure of rough prime (primary) ideals and rough fuzzy prime (primary) ideals in commutative rings. ⋮ Rough 3-valued algebras ⋮ \(L\)-fuzzy roughness of \(n\)-ary polygroups. ⋮ Rough prime ideals and rough fuzzy prime ideals in semigroups. ⋮ On the structure of generalized rough sets ⋮ Rough filters in BL-algebras ⋮ Generalized lower and upper approximations in a ring. ⋮ Roughness in rings. ⋮ Roughness in MV-algebras ⋮ A short note on some properties of rough groups. ⋮ Rough set theory applied to lattice theory ⋮ Prime ideals of gamma semigroups on weak nearness approximation spaces ⋮ Rough approximations in a general approximation space and their fundamental properties ⋮ Algebraic aspects of generalized approximation spaces ⋮ Reference points and roughness ⋮ Roughness in Cayley graphs ⋮ Roughness and fuzziness in quantales. ⋮ Rough sets induced by ideals in lattices ⋮ THE LEFT (RIGHT) ROUGH APPROXIMATIONS IN A GROUP ⋮ Unnamed Item ⋮ On rough quasi-\(\Gamma\)-hyperideals in \(\Gamma\)-semihypergroups. ⋮ Injective module based on rough set theory ⋮ Fuzzy $$\alpha $$-Ideals of BCH-Algebras ⋮ SOFT IDEALS AND GENERALIZED FUZZY IDEALS IN SEMIGROUPS ⋮ Novel soft fuzzy rough rings (ideals) of rings and their application in decision making ⋮ The comparative study of covering rough sets and multi-granulation rough sets ⋮ Near approximations in groups ⋮ Rough Pythagorean fuzzy ideals in semigroups ⋮ Rough approximation of a fuzzy set in semigroups based on soft relations ⋮ The product structure of fuzzy rough sets on a group and the rough \(T\)-fuzzy group. ⋮ Generalized rough \(\Gamma\)-hyperideals in \(\Gamma\)-semihypergroups ⋮ Some topological properties of topological rough groups ⋮ TL-fuzzy set valued homomorphisms and generalized (I,T)-L-fuzzy rough sets on groups ⋮ Rough prime bi-Γ-hyperideals and fuzzy prime bi- Γ-hyperideals of Γ-semihypergroups
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