Horn maps of semi-parabolic Hénon maps
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866913290557325312 |
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| author | Matthieu, Astorg Fabrizio, Bianchi |
| author_facet | Matthieu, Astorg Fabrizio, Bianchi |
| contents | We prove that horn maps associated to quadratic semi-parabolic fixed points of Hénon maps, first introduced by Bedford, Smillie, and Ueda, satisfy a weak form of the Ahlfors island property. As a consequence, two natural definitions of their Julia set (the non-normality locus of the family of iterates and the closure of the set of the repelling periodic points) coincide. As another consequence, we also prove that there exist small perturbations of semi-parabolic Hénon maps for which the Hausdorff dimension of the forward Julia set $J^+$ is arbitrarily close to 4. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_20211 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Horn maps of semi-parabolic Hénon maps Matthieu, Astorg Fabrizio, Bianchi Dynamical Systems Complex Variables We prove that horn maps associated to quadratic semi-parabolic fixed points of Hénon maps, first introduced by Bedford, Smillie, and Ueda, satisfy a weak form of the Ahlfors island property. As a consequence, two natural definitions of their Julia set (the non-normality locus of the family of iterates and the closure of the set of the repelling periodic points) coincide. As another consequence, we also prove that there exist small perturbations of semi-parabolic Hénon maps for which the Hausdorff dimension of the forward Julia set $J^+$ is arbitrarily close to 4. |
| title | Horn maps of semi-parabolic Hénon maps |
| topic | Dynamical Systems Complex Variables |
| url | https://arxiv.org/abs/2403.20211 |