Stabilities of generalized entropies

Details Stabilities of generalized entropies Stabilities of generalized entropies

2004-01-16

arxiv.org/abs/cond-mat/0401290v1

Physics

Condensed Matter

Statistical Mechanics

16 pages, no figures

Scientific paper

10.1088/0305-4470/37/44/004

The generalized entropic measure, which is optimized by a given arbitrary distribution under the constraints on normalization of the distribution and the finite ordinary expectation value of a physical random quantity, is considered and its Lesche stability property (that is different from thermodynamic stability) is examined. A general condition, under which the generalized entropy becomes stable, is derived. Examples known in the literature, including the entropy for the stretched-exponential distribution, the quantum-group entropy, and the kappa-entropy are discussed.

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