2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/184238An exact expression for the quasinormal modes of scalar perturbations on a massless topological black hole in four and higher dimensions is presented. The massive scalar field is nonminimally coupled to the curvature, and the horizon geometry is assumed to have a negative constant curvature.CECS style, 11 pages, no figures. References addedHigh Energy Physics - TheoryGeneral Relativity and Quantum Cosmologytext