2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/214971Consistent Hamiltonian couplings between a set of vector fields and a system of matter fields are derived by means of BRST cohomological techniques.21 pages, LaTeX 2.eHigh Energy Physics - TheoryNonabelian interactions from Hamiltonian BRST cohomologytext