2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/205332In this article is shown that the thermodynamical evolution of a Schwarzschild de Sitter space is the evaporation of its black hole. The result is extended in higher dimensions to Lovelock theories of gravity with a single positive cosmological constant.General Relativity and Quantum Cosmologytext