2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/144498We define l-adic analogs of classical Weil numbers in connexion both with complex or l-adic imbeddings of number fields and real or l-adic absolute values. As an application we give some consequences related to the Iwasawa theory of cyclotomic towers.Number Theory11R23text