2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/105770We investigate the cosmological dynamics of a brane Universe when quantum corrections from vacuum polarization are taken into account. New vacuum de Sitter points existing on Randall-Sundrum brane are described. We show also that quantum correction can destroy the DGP de Sitter solution on induced gravity brane.12 pages with 3 ps figures; references addedGeneral Relativity and Quantum Cosmologytext