Composability and Generalized Entropy

M. Hotta, I. Joichi

Published 1999-06-25, updated 1999-09-08Version 2

We address in this paper how tightly the composability nature of systems: $S_{A+B} =\Omega (S_A, S_B)$ constrains definition of generalized entropies and investigate explicitly the composability in some ansatz of the entropy form.