2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/59387We obtain the cohomology of the variational bicomplex on the infinite order jet space of a smooth fiber bundle in the class of exterior forms of finite jet order. This provides a solution of the global inverse problem of the calculus of variations of finite order on fiber bundles.18 pagesDifferential GeometryMathematical Physics58A20; 58E30; 55N30text