2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/155606Based on the Matsusaka-Ran criterion we give a criterion to characterize when a principal polarized abelian variety is a Jacobian by the existence of Picard bundles.Latex, 11 pagesAlgebraic Geometry14H40; 14H42; 14K30A Characterization of Jacobians by the Existence of Picard Bundlestext