2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/72937We prove dispersive estimates for Schroedinger operators in dimension three without any assumptions on zero energy. Ie, we allows resonances and/or eigenvalues at zero energy.Analysis of PDEsMathematical Physics35P25Dispersive estimates for Schrödinger operators in the presence of a resonance and/or an eigenvalue at zero energy in dimension three: Itext