2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/112461A scenario that relates the abundance of dark matter to the baryon asymmetry of the Universe is presented. In this scenario, based on a left-right extension of the Standard Model, dark matter is made of light, ~ 1 GeV, right-handed Majorana neutrinos.4 pages, 1 figure, to appear in the proceedings of 40th Rencontres de Moriond, Electroweak Interactions and Unified Theories, March 11 - 18, 2006High Energy Physics - Phenomenologytext