2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/208261We establish a generalized Cassels-Tate dual exact sequence for 1-motives over global fields. We thereby extend the main theorem of [4] from abelian varieties to arbitrary 1-motives.Number TheoryAlgebraic Geometry11G35; 14G25text