@article{CRMATH_2014__352_12_1017_0, author = {Franck Barthe and Pawe{\l} Wolff}, title = {Positivity improvement and {Gaussian} kernels}, journal = {Comptes Rendus. Math\'ematique}, pages = {1017--1021}, publisher = {Elsevier}, volume = {352}, number = {12}, year = {2014}, doi = {10.1016/j.crma.2014.09.016}, language = {en}, }