2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/104503It is popular to discuss low energy physics in lattice gauge theory in terms of the small eigenvalues of the lattice Dirac operator. I play with some ensuing pitfalls in the interpretation of these eigenvalue spectra.10 pages, 6 figures. Contribution to "Sense of beauty in physics," 26-27 Jan. 2006, Univ. Pisa. Revised version adds references and makes minor clarificationsHigh Energy Physics - Latticetext