2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/38913After discussing the problem of lattice regularization of chiral gauge theories, a simple model for anomalous fermion number violation is formulated which can be numerically studied with present day technique. Exploratory results of numerical simulations of a two-dimensional U(1) Higgs model are presented.17 pages, 10 figures, DESY-93-134. To be published in the Proceedings of the 17th Johns Hopkins Workshop, 1993, BudapestHigh Energy Physics - Latticetext