The Hamiltonian Normal Form
Fuente:
arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866916031006507008 |
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| author | Garay, Mauricio van Straten, Duco |
| author_facet | Garay, Mauricio van Straten, Duco |
| contents | An important step in the proof of the Herman invariant tori conjecture was the introduction of a normal form with poles along the resonance loci, replacing the Birkhoff normal form, which we call the Hamiltonian normal form. This paper is extracted from previous versions (arXiv:1206.1245, arXiv:1909.06053) and aims to present this Hamiltonian normal form in its simplest form. It is expected that, not only theoretically but also in numerical computations, it will provide better approximations than the standard Birkhoff normal form. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_20909 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | The Hamiltonian Normal Form Garay, Mauricio van Straten, Duco Dynamical Systems 37J40, 70H08, 37J15 An important step in the proof of the Herman invariant tori conjecture was the introduction of a normal form with poles along the resonance loci, replacing the Birkhoff normal form, which we call the Hamiltonian normal form. This paper is extracted from previous versions (arXiv:1206.1245, arXiv:1909.06053) and aims to present this Hamiltonian normal form in its simplest form. It is expected that, not only theoretically but also in numerical computations, it will provide better approximations than the standard Birkhoff normal form. |
| title | The Hamiltonian Normal Form |
| topic | Dynamical Systems 37J40, 70H08, 37J15 |
| url | https://arxiv.org/abs/2605.20909 |