2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/115264We establish a dispersive estimate (with a decay of 1/t), valid for all times, for the Schroedinger evolution on a non-compact 2-dimensional manifold with a trapped geodesic.32 pagesAnalysis of PDEsMathematical Physics35J10Decay estimates for the Schroedinger evolution on asymptotically conic surfaces of revolution Itext