2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/121314Aligned to the Kerr-Schild geometry electromagnetic excitations are investigated, and asymptotically exact solutions are obtained for the low-frequency limit.3 p. 1 fig. Talk at the gt3 session of the MG11 Meeting, Berlin 2006, v.2, minor changes, reference addedGeneral Relativity and Quantum CosmologyHigh Energy Physics - Theorytext