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Published in:
24-03-2017 | Focus
On the relationship among F-transform, fuzzy rough set and fuzzy topology
Published in: Soft Computing | Issue 13/2017
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Abstract
The objective of this work is to associate the concepts of fuzzy rough sets and fuzzy topologies/co-topologies with the F-transforms. The notions of the direct \(F^{\uparrow }\) and \(F^{\downarrow }\)-transforms are extended to the case where they are applied to an L-valued function on a space with an L-valued fuzzy partition. It is shown that these F-transforms are particular cases of upper and lower fuzzy approximation operators. Moreover, every F-transform component induces a continuous map between two associated fuzzy topological spaces or fuzzy co-topological spaces.