2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/50082The iterated BRST cohomology is studied by computing cohomology of the variational complex on the infinite order jet space of a smooth fibre bundle. This computation also provides a solution of the global inverse problem of the calculus of variations in Lagrangian field theory.15 pagesHigh Energy Physics - Theorytext