2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/134944A Galois theory of differential fields with parameters is developed in a manner that generalizes Kolchin's theory. It is shown that all connected differential algebraic groups are Galois groups of some appropriate differential field extension.71 pages, part of author's Phd. thesisExactly Solvable and Integrable Systemstext