2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42950Non perturbative results from lattice QCD will be discussed, namely: Vacuum Condensates and QCD Sum Rules; $U_A(1)$ and Topology; Confinement of Color.8 pages, 5 figures. Talk at the International Workshop on QCD: QCD@Work 2003 - Conversano (Italy) 14-18 June 2003 (eConf C030614)High Energy Physics - Phenomenologytext