Abstract and concrete categories
Abstract and concrete categories
A new approach for fuzzy topology (I)
Fuzzy Sets and Systems
Point-set lattice-theoretic topology
Fuzzy Sets and Systems - Special memorial volume on mathematical aspects of fuzzy set theory
A new approach for fuzzy topology (II)
Fuzzy Sets and Systems
A new approach for fuzzy topology (III)
Fuzzy Sets and Systems
Compactness in fuzzifying topology
Fuzzy Sets and Systems
Separation axiom in fuzzifying topology
Fuzzy Sets and Systems
On relationship between modified sets, topological spaces and rough sets
Fuzzy Sets and Systems
Fuzzy Sets and Systems
On Generalizing Pawlak Approximation Operators
RSCTC '98 Proceedings of the First International Conference on Rough Sets and Current Trends in Computing
On the structure of rough approximations
Fundamenta Informaticae
A categorical accommodation of various notions of fuzzy topology
Fuzzy Sets and Systems
A comparative study of fuzzy sets and rough sets
Information Sciences: an International Journal
Partially ordered monads and rough sets
Transactions on rough sets VIII
Lattice valued double fuzzy preproximity spaces
Computers & Mathematics with Applications
Rough sets based on complete completely distributive lattice
Information Sciences: an International Journal
Rough sets based on complete completely distributive lattice
Information Sciences: an International Journal
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The concept of an M-approximate system is introduced. Basic properties of the category of M-approximate systems and in a natural way defined morphisms between them are studied. It is shown that categories related to fuzzy topology as well as categories related to rough sets can be described as special subcategories of the category of M-approximate systems.