2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/115366We study the passage from Drinfeld-A'-modules to Drinfeld-A-modules for a given finite flat inclusion A \subset A'. We show that this defines a morphism from the moduli space of Drinfeld-A'-modules to the moduli space of Drinfeld-A-modules which is proper but in general not representable. For Drinfeld-Anderson shtuka and abelian sheaves instead of Drinfeld modules we obtain the same results.16 pagesNumber TheoryAlgebraic Geometry11G09 (Primary), 14G35 (Secondary)Change of Coefficients for Drinfeld Modules, Shtuka, and Abelian Sheavestext