2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/173062In a previous paper we developed a new method to obtain symmetrization inequalities of Sobolev type for functions in $W_{0}^{1,1}(Ω)$. In this paper we extend our method to Sobolev functions that do not vanish at the boundary.Functional AnalysisAnalysis of PDEsSelf Improving Sobolev-Poincare Inequalities, Truncation and Symmetrizationtext