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.