2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/176220We study the phase space of the spherically symmetric solutions of the system obtained from the dimensional reduction of the six-dimensional Einstein-Gauss-Bonnet action with a cosmological constant. We show that all the physical solutions have anti-de Sitter asymptotic behavior.13 pages, plain TeXGeneral Relativity and Quantum Cosmologytext