Multisymplectic structures and invariant tensors for Lie systems
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2018
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| _version_ | 1866908654839529472 |
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| author | Gràcia, X. de Lucas, J. Muñoz-Lecanda, M. C. Vilariño, S. |
| author_facet | Gràcia, X. de Lucas, J. Muñoz-Lecanda, M. C. Vilariño, S. |
| contents | A Lie system is the non-autonomous system of differential equations describing the integral curves of a non-autonomous vector field taking values in a finite-dimensional Lie algebra of vector fields, a so-called Vessiot--Guldberg Lie algebra. This work pioneers the analysis of Lie systems admitting a Vessiot--Guldberg Lie algebra of Hamiltonian vector fields relative to a multisymplectic structure: the multisymplectic Lie systems. Geometric methods are developed to consider a Lie system as a multisymplectic one. By attaching a multisymplectic Lie system via its multisymplectic structure with a tensor coalgebra, we find methods to derive superposition rules, constants of motion, and invariant tensor fields relative to the evolution of the multisymplectic Lie system. Our results are illustrated with examples occurring in physics, mathematics, and control theory. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_1808_06240 |
| institution | arXiv |
| publishDate | 2018 |
| record_format | arxiv |
| spellingShingle | Multisymplectic structures and invariant tensors for Lie systems Gràcia, X. de Lucas, J. Muñoz-Lecanda, M. C. Vilariño, S. Mathematical Physics Classical Analysis and ODEs Differential Geometry Exactly Solvable and Integrable Systems 34A26 (primary), 34A05, 34C14, 53C15, 16T15 (secondary) A Lie system is the non-autonomous system of differential equations describing the integral curves of a non-autonomous vector field taking values in a finite-dimensional Lie algebra of vector fields, a so-called Vessiot--Guldberg Lie algebra. This work pioneers the analysis of Lie systems admitting a Vessiot--Guldberg Lie algebra of Hamiltonian vector fields relative to a multisymplectic structure: the multisymplectic Lie systems. Geometric methods are developed to consider a Lie system as a multisymplectic one. By attaching a multisymplectic Lie system via its multisymplectic structure with a tensor coalgebra, we find methods to derive superposition rules, constants of motion, and invariant tensor fields relative to the evolution of the multisymplectic Lie system. Our results are illustrated with examples occurring in physics, mathematics, and control theory. |
| title | Multisymplectic structures and invariant tensors for Lie systems |
| topic | Mathematical Physics Classical Analysis and ODEs Differential Geometry Exactly Solvable and Integrable Systems 34A26 (primary), 34A05, 34C14, 53C15, 16T15 (secondary) |
| url | https://arxiv.org/abs/1808.06240 |