2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42717We report about recent results on the Quantum Field Theory of neutrino mixing and oscillations. A discussion of the relevant observables for flavor fields is given, leading to oscillation formulas which exhibit corrections with respect to the usual ones.5 pages, presented at the First Yamada Symposium on Neutrinos and Dark Matter in Nuclear Physics (NDM03)High Energy Physics - Phenomenologytext