Silva, R; Alcaniz, J.S - In: Physica A: Statistical Mechanics and its Applications 341 (2004) C, pp. 208-214
Within the domain of a classical non-extensive kinetic theory, we use physical constrains imposed by the H-theorem and by the negative nature of the heat capacity of self-gravitating thermodynamically isolated systems to investigate some possible limits on the stellar polytrope index n.