Liouville-Arnold theorem for homogeneous symplectic and contact Hamiltonian systems
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| _version_ | 1866915298998747136 |
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| author | Colombo, Leonardo de León, Manuel Lainz, Manuel López-Gordón, Asier |
| author_facet | Colombo, Leonardo de León, Manuel Lainz, Manuel López-Gordón, Asier |
| contents | A Hamiltonian system is completely integrable (in the sense of Liouville) if there exist as many independent integrals of motion in involution as the dimension of the configuration space. Under certain regularity conditions, Liouville-Arnold theorem states that the invariant geometric structure associated with Liouville integrability is a fibration by Lagrangian tori (or, more generally, Abelian Lie groups), on which the motion is linear. In this paper, a Liouville-Arnold theorem for contact Hamiltonian systems is proven. More specifically, it is shown that, given a $(2n+1)$-dimensional completely integrable contact system, one can construct a foliation by $(n+1)$-dimensional Abelian Lie groups and induce action-angle coordinates in which the equations of motion are linearized. One important novelty with respect to previous attempts is that the foliation consists of $(n+1)$-dimensional coisotropic submanifolds given by the preimages of rays by the functions in involution. In order to prove the theorem, we first develop a version of Liouville-Arnold theorem for homogeneous functions on exact symplectic manifolds (which is of independent interest), and then apply the symplectization to obtain the contact case. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2302_12061 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Liouville-Arnold theorem for homogeneous symplectic and contact Hamiltonian systems Colombo, Leonardo de León, Manuel Lainz, Manuel López-Gordón, Asier Symplectic Geometry Mathematical Physics Dynamical Systems primary: 37J35, 37J55, 70H06, secondary: 53D10, 53E50, 53Z05 A Hamiltonian system is completely integrable (in the sense of Liouville) if there exist as many independent integrals of motion in involution as the dimension of the configuration space. Under certain regularity conditions, Liouville-Arnold theorem states that the invariant geometric structure associated with Liouville integrability is a fibration by Lagrangian tori (or, more generally, Abelian Lie groups), on which the motion is linear. In this paper, a Liouville-Arnold theorem for contact Hamiltonian systems is proven. More specifically, it is shown that, given a $(2n+1)$-dimensional completely integrable contact system, one can construct a foliation by $(n+1)$-dimensional Abelian Lie groups and induce action-angle coordinates in which the equations of motion are linearized. One important novelty with respect to previous attempts is that the foliation consists of $(n+1)$-dimensional coisotropic submanifolds given by the preimages of rays by the functions in involution. In order to prove the theorem, we first develop a version of Liouville-Arnold theorem for homogeneous functions on exact symplectic manifolds (which is of independent interest), and then apply the symplectization to obtain the contact case. |
| title | Liouville-Arnold theorem for homogeneous symplectic and contact Hamiltonian systems |
| topic | Symplectic Geometry Mathematical Physics Dynamical Systems primary: 37J35, 37J55, 70H06, secondary: 53D10, 53E50, 53Z05 |
| url | https://arxiv.org/abs/2302.12061 |