2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/190004We extend the world model of Kamenshchik et al. to large perturbations by formulating a Zeldovich-like approximation. We sketch how this model unifies dark matter with dark energy in a geometric setting reminiscent of M-theory.10 pages, 1 figure, one sentence changed in text, acknwledgement expandedAstrophysicsGeneral Relativity and Quantum CosmologyHigh Energy Physics - Phenomenologytext