2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39230With the Schwinger model as example I discuss properties of lattice Dirac operators, with some emphasis on Monte Carlo results for topological charge, chiral fermions and eigenvalue spectra.Contrib. to the Int. Conf. on Math. Physics and Stochastic Analysis, Lisbon, Oct. 1998; Latex2e using ws-p8-50x6-00.cls, 17 pages, 7 figures; corrections in referencesHigh Energy Physics - LatticeHigh Energy Physics - TheoryMathematical Physicstext