2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/69293We introduce Galois corings, and give a survey of properties that have been obtained so far. The Definition is motivated using descent theory, and we show that classical Galois theory, Hopf-Galois theory and coalgebra Galois theory can be obtained as a special case.23 pagesRings and Algebras16W30text