Physics – Mathematical Physics
Scientific paper
2011-01-26
Physics
Mathematical Physics
21 pages
Scientific paper
A gauge-invariant formulation of constrained variational calculus, based on the introduction of the bundle of affine scalars over the configuration manifold, is presented. In the resulting setup, the Lagrangian is replaced by a section of a suitable principal fibre bundle over the velocity space. A geometric rephrasement of Pontryagin's maximum principle, showing the equivalence between a constrained variational problem in the state space and a canonically associated free one in a higher affine bundle, is proved.
Bruno Danilo
Luria Gianvittorio
Pagani Enrico
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