2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/51710We considered the solutions of the Friedmann equation in several setups, arguing that the Weierstra$ß$ form of the solutions leads to connections with some Conformal Field Theory on a torus. Thus a link with the Cardy entropy formula is obtained in a quite natural way. The argument is shown to be valid in a four dimensional radiation dominated universe with a cosmological constant as well as in four further different Universes.9 pages, latexHigh Energy Physics - Theorytext