A Generalization of the Concavity of Rényi Entropy Powe

Laigang Guo, Chun-Ming Yuan, Xiao-Shan Gao

Recently, Savaré-Toscani proved that the Rényi entropy power of general probability densities solving the $p$-nonlinear heat equation in ${\mathbb{R}}^n$ is always a concave function…