2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/180640We define the 7D Randall-Sundrum (RS) background and construct the corresponding 6D theory via AdS/CFT duality. In simple approximations, the Friedmann equation derived from 7D RS cosmology and the brane view-point results exactly match. Possible cosmologies on the bulk side are also outlined.2 pages, 1 figure, talk given at the Cargese Summer School, May 22 - June 3, 2006High Energy Physics - Theorytext