A parametrization algorithm to compute lower dimensional elliptic tori in Hamiltonian systems
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866910442220158976 |
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| author | Caracciolo, Chiara Figueras, Jordi-Lluís Haro, Alex |
| author_facet | Caracciolo, Chiara Figueras, Jordi-Lluís Haro, Alex |
| contents | We present an algorithm for the construction of lower dimensional elliptic tori in parametric Hamiltonian systems by means of the parametrization method with the tangent and normal frequencies being prescribed. This requires that the Hamiltonian system has as many parameters as the dimension of the normal dynamics, and the algorithm must adjust these parameters. We illustrate the methodology with an implementation of the algorithm computing $2$--dimensional elliptic tori in a system of $4$ coupled pendula (4 degrees of freedom). |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2405_06432 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A parametrization algorithm to compute lower dimensional elliptic tori in Hamiltonian systems Caracciolo, Chiara Figueras, Jordi-Lluís Haro, Alex Dynamical Systems Primary: 37J25; 70H08; Secondary: 37M99 We present an algorithm for the construction of lower dimensional elliptic tori in parametric Hamiltonian systems by means of the parametrization method with the tangent and normal frequencies being prescribed. This requires that the Hamiltonian system has as many parameters as the dimension of the normal dynamics, and the algorithm must adjust these parameters. We illustrate the methodology with an implementation of the algorithm computing $2$--dimensional elliptic tori in a system of $4$ coupled pendula (4 degrees of freedom). |
| title | A parametrization algorithm to compute lower dimensional elliptic tori in Hamiltonian systems |
| topic | Dynamical Systems Primary: 37J25; 70H08; Secondary: 37M99 |
| url | https://arxiv.org/abs/2405.06432 |