2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61140We provide an easy characterization for the locus of indeterminacy of the Prym map in terms of the dual graphs of stable curves. As a corollary, we show that the closure of the Fridman-Smith locus coincides with the locus of indeterminacy of the Prym map.7 pagesAlgebraic Geometry14D06; 14K10text