Fuzzy Sets and Systems
The lower and upper approximations in a fuzzy group
Information Sciences: an International Journal
Information Sciences: an International Journal
Information Sciences: an International Journal
Interpretations of belief functions in the theory of rough sets
Information Sciences: an International Journal - From rough sets to soft computing
A comparative study of fuzzy sets and rough sets
Information Sciences: an International Journal
Axiomatics for fuzzy rough sets
Fuzzy Sets and Systems
Relational interpretations of neighborhood operators and rough set approximation operators
Information Sciences—Informatics and Computer Science: An International Journal
Fuzzy Sets and Systems
&agr;-RST: a generalization of rough set theory
Information Sciences—Informatics and Computer Science: An International Journal
Rough set theory applied to (fuzzy) ideal theory
Fuzzy Sets and Systems
Rough Sets: Theoretical Aspects of Reasoning about Data
Rough Sets: Theoretical Aspects of Reasoning about Data
A comparative study of fuzzy rough sets
Fuzzy Sets and Systems
Information Sciences—Informatics and Computer Science: An International Journal
Reduction and axiomization of covering generalized rough sets
Information Sciences: an International Journal
An axiomatic characterization of a fuzzy generalization of rough sets
Information Sciences—Informatics and Computer Science: An International Journal
Constructive and axiomatic approaches of fuzzy approximation operators
Information Sciences—Informatics and Computer Science: An International Journal - Mining stream data
Information Sciences—Informatics and Computer Science: An International Journal
Two new operators in rough set theory with applications to fuzzy sets
Information Sciences—Informatics and Computer Science: An International Journal
On intuitionistic fuzzy sub-hyperquasigroups of hyperquasigroups
Information Sciences—Informatics and Computer Science: An International Journal
A New view of the approximations in H v -groups
Soft Computing - A Fusion of Foundations, Methodologies and Applications
Redefined fuzzy Hv-submodules and many valued implications
Information Sciences: an International Journal
Topological approaches to covering rough sets
Information Sciences: an International Journal
On fuzzy isomorphism theorems of hypermodules
Soft Computing - A Fusion of Foundations, Methodologies and Applications
On Three Types of Covering-Based Rough Sets
IEEE Transactions on Knowledge and Data Engineering
Information Sciences: an International Journal
On the topological properties of fuzzy rough sets
Fuzzy Sets and Systems
On the structure of generalized rough sets
Information Sciences: an International Journal
Rough prime ideals and rough fuzzy prime ideals in semigroups
Information Sciences: an International Journal
Intuitionistic fuzzy Hv-submodules
Information Sciences: an International Journal
Information Sciences: an International Journal
Roughness based on fuzzy ideals
Information Sciences: an International Journal
Information Sciences: an International Journal
A short note on algebraic T-rough sets
Information Sciences: an International Journal
Atanassov's intuitionistic (S,T)-fuzzy n-ary sub-hypergroups and their properties
Information Sciences: an International Journal
Information Sciences: an International Journal
Atanassov's intuitionistic fuzzy grade of hypergroups
Information Sciences: an International Journal
Generalized lower and upper approximations in a ring
Information Sciences: an International Journal
Fuzzy Krasner (m,n)-hyperrings
Computers & Mathematics with Applications
Pawlak's approximations in Γ-semihypergroups
Computers & Mathematics with Applications
Fuzzy hyperrings (Hv-rings) based on fuzzy universal sets
Information Sciences: an International Journal
Information Sciences: an International Journal
Rough set theory applied to lattice theory
Information Sciences: an International Journal
Matroidal structure of rough sets and its characterization to attribute reduction
Knowledge-Based Systems
Some properties of generalized rough sets
Information Sciences: an International Journal
Inheritance examples of algebraic hyperstructures
Information Sciences: an International Journal
Axiomatic systems for rough set-valued homomorphisms of associative rings
International Journal of Approximate Reasoning
Rough matroids based on relations
Information Sciences: an International Journal
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology
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This paper provides a continuation of ideas presented by Davvaz and Mahdavipour [B. Davvaz, M. Mahdavipour, Roughness in modules, Inform. Sci. 176 (2006) 3658-3674]. The notion of hypermodule is a generalization of the notion of module. In this paper, we consider the quotient hypermodule M/A and interpret the lower and upper approximations as subsets of the quotient hypermodule M/A. Then, we introduce the concept of quotient rough sub-hypermodule. Also, using the concept of fuzzy sets, we introduce and discuss the concept of fuzzy rough hypermodules and then we obtain the relation between fuzzy rough sub-hypermodules and level rough sets. This relation is characterized as a necessary and sufficient condition.