2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/33740We consider a modified ``Swiss cheese'' model in the Brans-Dicke theory, and discuss the evolution of black holes in the expanding universe. We define the black hole radius by the Misner-Sharp mass and find the time evolution for dust and vacuum universes.6 pages, no figure, talk given at 10th Workshop on General Relativity and Cosmology, Osaka, Sep 2000General Relativity and Quantum CosmologyAstrophysicsHigh Energy Physics - Phenomenologytext