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Journal Articles Physics Letters A Year : 2011

Escort entropies and divergences and related canonical distribution

Abstract

We discuss two families of two-parameter entropies and divergences, derived from the standard Rényi and Tsallis entropies and divergences. These divergences and entropies are found as divergences or entropies of escort distributions. Exploiting the nonnegativity of the divergences, we derive the expression of the canonical distribution associated to the new entropies and a observable given as an escort-mean value. We show that this canonical distribution extends, and smoothly connects, the results obtained in nonextensive thermodynamics for the standard and generalized mean value constraints.
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Dates and versions

hal-00766631 , version 1 (18-12-2012)

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Jean-François Bercher. Escort entropies and divergences and related canonical distribution. Physics Letters A, 2011, 375 (33), pp.2969-2973. ⟨10.1016/j.physleta.2011.06.057⟩. ⟨hal-00766631⟩
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