2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/51055Analyzing the constraint structure of electrodynamics, massive vector bosons, Dirac fermions and electrodynamics coupled to fermions, we show that Dirac quantization method leads to appropriate creation-annihilation algebra among the Forier coefficients of the fields.12 pages,latexHigh Energy Physics - Theorytext