2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49943A Hamiltonian BRST deformation procedure for obtaining consistent interactions among fields with gauge freedom is proposed. The general theory is exemplified on the three-dimensional Chern-Simons model.Latex 2.09, 13 pages, submitted to Phys. Lett. BHigh Energy Physics - Theorytext