A logarithmic Hardy inequality - ScienceDirect b CEREMADE, Université Paris-Dauphine, Place de Lattre de Tassigny, ... and optimality is easily checked by considering the sequence of test functions ... [12] D. Bakry, M. Émery, Hypercontractivité de semi-groupes de diffusion, C. R. Math.
A logarithmic Hardy inequality - ScienceDirect