2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/108693We review the method developed in Pisa to determine the topological susceptibility in lattice QCD and present a collection of new and old results obtained by the method.10 pages, 7 figures. Contribution to "Sense of Beauty in Physics - a volume in honour of Adriano Di Giacomo" (Pisa University Press, Pisa, 2006), on the occasion of his 70th birthdayHigh Energy Physics - Latticetext