2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/9720The scenario of a cosmology with topological defects is surveyed starting from the field theoretic aspects and ending with a description of large-scale structure formation and magnetic field generation. (Lectures delivered at ICTP, Trieste, July 1993.)38 pages, TUTP-94-2AstrophysicsHigh Energy Physics - Phenomenologytext