2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/38509Noncompact chiral abelian gauge theories are defined on the lattice using the overlap formalism. The main definitions are presented, the role of anomaly cancelation is discussed, and the triviality issue in four dimensions is explained.9 pages, LaTeX, includes esfconf.styHigh Energy Physics - LatticeHigh Energy Physics - Theorytext