2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/230651We prove a simple uncertainty principle and show that it can be applied to prove Wegner estimates near fluctuation boundaries. This gives new classes of models for which localization at low energies can be proven.Mathematical Physics82B44; 47B80An uncertainty principle, Wegner estimates and localization near fluctuation boundariestext