2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/225667We consider a local to global principle for detecting linear dependence of nontorsion points, by reduction maps, in the Mordell-Weil group of an abelian variety over a number field.The paper is available online in the Journal fur die reine und angew. Mathematik;, since 31st of March 2009Number Theory11G10, 11S25text