2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/59635We describe the general qualitative behaviour of the resolvent norm for a very wide class of non-self-adjoint Schroedinger operators in the semi-classical regime, as the spectral parameter varies over the complex plane.15 pagesSpectral Theory47A10; 81Q20The Pseudospectral Properties of non-self-adjoint Schrödinger Operators in the semi-classical limittext