2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/68258We prove that the modular symbols appropriately normalized and ordered have an asymptotical normal distribution for all cocompact subgroups of SL_2(R). We introduce hyperbolic Eisenstein series in order to calculate the moments of the modular symbols.25 pagesNumber Theory11F67; 11F72, 11M36text