2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64887We prove that at large disorder, Anderson localization in $\Z^d$ is stable under localized time-periodic perturbations by proving that the associated quasi-energy operator has pure point spectrum. The formulation of this problem is motivated by questions of Anderson localization for non-linear Schrödinger equations.15 pgs, to appear in Commun PDESpectral TheoryAnalysis of PDEstext