2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39549In this article we review proton decay in the supersymmetric grand unified models.11 pages.Talk presented at Workshop on Neutrino Oscillations and Their Origin, Fujiyoshida, Japan, February 11-13, 2000, to appear in Proceedings published by Universal Academy Press, Tokyo. We add a new reference and correct types in the revised versionHigh Energy Physics - Phenomenologytext