2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/179348The quantization of a scalar field in anti de Sitter spacetime using Poincaré coordinates is considered. We find a discrete spectrum that is consistent with a possible mapping between bulk and boundary quantum states.Small change in the text. Physics unchanged. Two references addedHigh Energy Physics - Theorytext