Invariant Sets and Hyperbolic Closed Reeb Orbits
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| _version_ | 1866908676027056128 |
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| author | Cineli, Erman Ginzburg, Viktor L. Gurel, Basak Z. Mazzucchelli, Marco |
| author_facet | Cineli, Erman Ginzburg, Viktor L. Gurel, Basak Z. Mazzucchelli, Marco |
| contents | We investigate the effect of a hyperbolic (or, more generally, isolated as an invariant set) closed Reeb orbit on the dynamics of a Reeb flow on the $(2n-1)$-dimensional standard contact sphere, extending two results previously known for Hamiltonian diffeomorphisms to the Reeb setting. In particular, we show that under very mild dynamical convexity type assumptions, the presence of one hyperbolic closed orbit implies the existence of infinitely many simple closed Reeb orbits. The second main result of the paper is a higher-dimensional Reeb analogue of the Le Calvez-Yoccoz theorem, asserting that no closed orbit of a non-degenerate dynamically convex Reeb pseudo-rotation is locally maximal, i.e., isolated as an invariant set. The key new ingredient of the proofs is a Reeb variant of the crossing energy theorem. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2309_04576 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Invariant Sets and Hyperbolic Closed Reeb Orbits Cineli, Erman Ginzburg, Viktor L. Gurel, Basak Z. Mazzucchelli, Marco Symplectic Geometry Dynamical Systems 53D40, 37J12, 37J55 We investigate the effect of a hyperbolic (or, more generally, isolated as an invariant set) closed Reeb orbit on the dynamics of a Reeb flow on the $(2n-1)$-dimensional standard contact sphere, extending two results previously known for Hamiltonian diffeomorphisms to the Reeb setting. In particular, we show that under very mild dynamical convexity type assumptions, the presence of one hyperbolic closed orbit implies the existence of infinitely many simple closed Reeb orbits. The second main result of the paper is a higher-dimensional Reeb analogue of the Le Calvez-Yoccoz theorem, asserting that no closed orbit of a non-degenerate dynamically convex Reeb pseudo-rotation is locally maximal, i.e., isolated as an invariant set. The key new ingredient of the proofs is a Reeb variant of the crossing energy theorem. |
| title | Invariant Sets and Hyperbolic Closed Reeb Orbits |
| topic | Symplectic Geometry Dynamical Systems 53D40, 37J12, 37J55 |
| url | https://arxiv.org/abs/2309.04576 |