A problem with the escort distribution representation of nonextensive statistical mechanics
arXiv:cond-mat/0006053 · doi:10.1016/S0375-9601(00)00582-X
Abstract
It is pointed out that the Tsallis entropy functional represented in terms of the escort distribution is not concave of the entropic index is less than unity. It is emphasized that the escort distribution is a secondary object calculated from the basic original distribution.
8 pages, 1 figure
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