2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/147806We construct a systematic expansion for full QCD. The leading term gives the valence (quenched) approximation.37 pages, uufiles version of PostScript (tests of the algorithm and convergence proof added)High Energy Physics - LatticeHigh Energy Physics - PhenomenologyHigh Energy Physics - TheorySystematic Expansion for Full QCD Based on the Valence Approximationtext