Tsallis Entropy of Fuzzy Dynamical Systems

Dagmar Markechová
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Dagmar Markechová: Department of Mathematics, Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, A. Hlinku 1, SK-949 01 Nitra, Slovakia

Mathematics, 2018, vol. 6, issue 11, 1-19

Abstract: This article deals with the mathematical modeling of Tsallis entropy in fuzzy dynamical systems. At first, the concepts of Tsallis entropy and Tsallis conditional entropy of order q , where q is a positive real number not equal to 1, of fuzzy partitions are introduced and their mathematical behavior is described. As an important result, we showed that the Tsallis entropy of fuzzy partitions of order q > 1 satisfies the property of sub-additivity. This property permits the definition of the Tsallis entropy of order q > 1 of a fuzzy dynamical system. It was shown that Tsallis entropy is an invariant under isomorphisms of fuzzy dynamical systems; thus, we acquired a tool for distinguishing some non-isomorphic fuzzy dynamical systems. Finally, we formulated a version of the Kolmogorov–Sinai theorem on generators for the case of the Tsallis entropy of a fuzzy dynamical system. The obtained results extend the results provided by Markechová and Rie?an in Entropy , 2016, 18 , 157, which are particularized to the case of logical entropy.

Keywords: fuzzy set; fuzzy partition; Tsallis entropy; conditional Tsallis entropy; fuzzy dynamical system; isomorphism; generators (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2018
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