2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47532The determination of CP violating phases in the Majorana neutrino mixing matrix using phenomenological constraints from neutrino oscillations, neutrinoless double beta decay, ($μ^-, e^+$) conversion and few other processes is discussed. We give the expressions for the phases in terms of the mixing angles and masses consistent with the recent data from Kamiokande.revtex, 5 pages, no figuresHigh Energy Physics - Phenomenologytext