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paper

On the time evolution of the entropic index

arXiv:cond-mat/9906291 · doi:10.1016/S0375-9601(99)00754-9

Abstract

We adapt the Kolmogorov-Sinai entropy to the non-extensive perspective recently advocated by Tsallis. The resulting expression is an average on the invariant distribution, which should be used to detect the genuine entropic index Q. We argue that the condition Q >1 is time dependent.