Composability in a certain family of entropies
classification
❄️ cond-mat.stat-mech
keywords
entropiescomposabilityassumptionscertainconditionfamilyformonly
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It is shown that the Tsallis entropies are the only entropies of the form $H(P)=-\sum_i f(p_i)$, with suitable assumptions on $f$, satisfying the condition of composability.
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