2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/173316The method of geodesic expansions is systematically explained. Based on the Haar measures of the group of geodesic expansions the semiclassical sum over immersed manifolds is constructed. Gauge fixing is performed via the Faddeev Popov method.nearly completely rewritten, application added 17 pages, LaTeX(2e) with amsmath, amsfonts, graphicx, 1 figureMathematical PhysicsHigh Energy Physics - Theorytext