# Presymplectic structures and intrinsic Lagrangians for massive fields

@inproceedings{Grigoriev2021PresymplecticSA, title={Presymplectic structures and intrinsic Lagrangians for massive fields}, author={M. Grigoriev and Vyacheslav S. Gritzaenko}, year={2021} }

We study the construction of the intrinsic action for PDEs equipped with the compatible presymplectic structures. In particular, we explicitly demonstrate that the intrinsic action for the standard Einstein-Hilbert gravity is the familiar first-order Palatini action. We then study the example of massive spin-2 field, where the natural presymplectic structure is not complete in the sense that the associated intrinsic action does not reproduce all the equations of motion. We explicitly relate… Expand

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