Meromorphic functions whose action on their Julia sets is Non-Ergodic
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866911627271471104 |
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| author | Chen, Tao Jiang, Yunping Keen, Linda |
| author_facet | Chen, Tao Jiang, Yunping Keen, Linda |
| contents | Nevanlinna functions are meromorphic functions with a finite number of asymptotic values and no critical values. In [KK2] it was proved that if the orbits of all the asymptotic values accumulate on a compact set on which the function acts as a repeller, then the function acts ergodically on its Julia set. In [CJK4] we proved the action of the function on its Julia set is still ergodic if some, but not all of the asymptotic values land on infinity, and the remaining ones land on a compact repeller. In this paper, we complete the characterization of ergodicity for Nevanlinna functions by proving that if all the asymptotic values land on infinity, then the Julia set is the whole sphere and the action of the map there is non-ergodic. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2409_12127 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Meromorphic functions whose action on their Julia sets is Non-Ergodic Chen, Tao Jiang, Yunping Keen, Linda Dynamical Systems Primary: 37F10, 30F05, Secondary: 30D05, 37A30 Nevanlinna functions are meromorphic functions with a finite number of asymptotic values and no critical values. In [KK2] it was proved that if the orbits of all the asymptotic values accumulate on a compact set on which the function acts as a repeller, then the function acts ergodically on its Julia set. In [CJK4] we proved the action of the function on its Julia set is still ergodic if some, but not all of the asymptotic values land on infinity, and the remaining ones land on a compact repeller. In this paper, we complete the characterization of ergodicity for Nevanlinna functions by proving that if all the asymptotic values land on infinity, then the Julia set is the whole sphere and the action of the map there is non-ergodic. |
| title | Meromorphic functions whose action on their Julia sets is Non-Ergodic |
| topic | Dynamical Systems Primary: 37F10, 30F05, Secondary: 30D05, 37A30 |
| url | https://arxiv.org/abs/2409.12127 |