2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61793We consider a nonlinear counterpart of a compactness lemma of J. Simon, which arises naturally in the study of doubly nonlinear equations of elliptic-parabolic type. Our work was motivated by previous results J. Simon, recently sharpened by H. Amann, in the linear setting, and by a nonlinear compactness argument of H.W. Alt and S. Luckhaus.5 pages, LaTeXFunctional AnalysisAnalysis of PDEsGeneral Topology46B50, 47H30 (Primary) 34G20, 35K65 (Secondary)text