2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/111378We show that GUT cosmic strings generically form after inflation if a {\it non-inert} symmetry breaks after inflation; they form irrespectively of the inflationary scenario and in both supersymmetric and non-supersymmetric theories.9 pagesHigh Energy Physics - TheoryGUT cosmic strings and inflationtext