%0 Journal Article %T A Characterization of Jacobians by the Existence of Picard Bundles %A Ana Cristina L¨®pez Mart¨ªn %A Ernesto Carlo Mistretta %A Dar¨ªo S¨¢nchez G¨®mez %J Mathematics %D 2008 %I arXiv %X Based 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. %U http://arxiv.org/abs/0802.3691v1