2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/52831We analyze the high energy scattering inside gravitational backgrounds using 't Hooft's formalism. The scattering is equivalent to geodesic shifts accross Aichelburg-Sexl waves inside the gravitational backgrounds. We find solutions for A-S waves inside various backgrounds and analyze them.17 pages, latex, references addedHigh Energy Physics - Theorytext