2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71130We investigate criteria for algebra extensions that are of Galois type with respect to the coaction of a Hopf algebra or, more generally, a one-sided quotient of a Hopf algebra, or with respect to an entwining. We study the module- and comodule-theoretical properties of such extensions.23 pagesQuantum AlgebraRings and Algebras16W30text