Cohomology of the variational bicomplex on the infinite order jet space
G. Giachetta, L. Mangiarotti, G. Sardanashvily
Abstract
We 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.
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