2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/222223We give complete details on an alternative formulation of the Polya-Szego principle that was mentioned in Remark 1 of our paper "Isoperimetry and Symmetrization for Logarithmic Sobolev inequalities". We also provide an alternative proof to a result in the same paper.added more content and referencesFunctional Analysistext