2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/164436We prove a local analogue of a theorem of J. Martinet about the absolute norm of the relative discriminant ideal of an extension of number fields. The result can be seen as a statement about 2-primary units. We also prove a similar statement about the absolute norms of p-primary units, for all primes p.9 pagesNumber Theory11S10text