2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/75064The first part of the paper contains a survey of weakly mixing group actions of general group, and the second part discusses a special example of a weakly mixing action -- the SL(2,Z)-action on the torus T^2.Dynamical Systems37A25Weakly mixing group actions: a brief survey and an exampletext