On Indistinguishability Operators, Fuzzy Metrics and Modular Metrics
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DOI: 10.3390/axioms6040034
Abstract: The notion of indistinguishability operator was introduced by Trillas, E. in 1982, with the aim of fuzzifying the crisp notion of equivalence relation. Such operators allow for measuring the similarity between objects when there is… read more here.
Keywords: indistinguishability; similarity; modular metrics; indistinguishability operators ... See more keywords
Extended Fuzzy Metrics and Fixed Point Theorems
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DOI: 10.3390/math7030303
Abstract: In this paper, we study those fuzzy metrics M on X, in the George and Veeramani’s sense, such that ⋀ t > 0 M ( x , y , t ) > 0 . The… read more here.
Keywords: metrics fixed; fixed point; point theorems; extended fuzzy ... See more keywords