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Pseudo-additive Entropies of Degree-q and the Tsallis Entropy
Author(s) -
B. H. Lavenda,
Jeremy Dunning-Davies
Publication year - 2005
Publication title -
journal of applied sciences
Language(s) - English
Resource type - Journals
eISSN - 1812-5662
pISSN - 1812-5654
DOI - 10.3923/jas.2005.315.322
Subject(s) - additive function , tsallis entropy , mathematics , statistical physics , homogeneity (statistics) , entropy (arrow of time) , thermodynamics , degree (music) , statistics , physics , mathematical analysis , acoustics
The Tsallis entropy is shown to be an additive entropy of degree-q thatinformation scientists have been using for almost forty years. Neither is it aunique solution to the nonadditive functional equation from which randomentropies are derived. Notions of additivity, extensivity and homogeneity areclarified. The relation between mean code lengths in coding theory and variousexpressions for average entropies is discussed.Comment: 13 page

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