Concavity of some entropies

preprint2015arXivOpen access

Abstract

It is well-known that the Shannon entropies of some parameterized probability distributions are concave functions with respect to the parameter. In this paper we consider a family of such distributions (including the binomial, Poisson, and negative binomial distributions) and investigate the concavity of the Shannon, Rényi, and Tsallis entropies of them.

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