2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76713We describe the possible holonomy groups of simply connected irreducible non-locally symmetric pseudo-Riemannian spin manifolds which admit parallel spinors.Latex2.09, 18 pagesDifferential Geometry53C50, 53A50Parallel spinors and holonomy groups on pseudo-Riemannian spinmanifoldstext