2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54770The deformation of a topological field theory, namely the pure BF theory, gives the first order formulation of Yang-Mills theory; Feynman rules are given and the standard uv-behaviour is recovered. In this formulation new non local observables can be introduced following the topological theory and giving an explicit realization of `t Hooft algebra.4 pages, sprocl.sty and epsf, contribution to "Quark Confinement and Hadron Spectrum" 1996High Energy Physics - Theorytext