On the Ergodicity of Rotation Extensions of Hyperbolic Endomorphisms
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912245522366464 |
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| author | Micena, Fernando Ures, Raúl |
| author_facet | Micena, Fernando Ures, Raúl |
| contents | We study the ergodicity of partially hyperbolic endomorphisms, focusing on skew products where the base dynamics are governed by Anosov endomorphisms. For this family, we establish ergodicity and prove that accessibility holds for an open and dense subset. By analyzing the topological implications of accessibility, we demonstrate that conservative accessible partially hyperbolic endomorphisms are topologically transitive. Leveraging accessibility, we further show ergodicity for skew products with $\mathbb{S}^1$-fibers. Finally, although out the context of rotation extensions, we prove ergodic stability results for partially hyperbolic endomorphisms with $\dim(E^c) = 1.$ |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_18146 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On the Ergodicity of Rotation Extensions of Hyperbolic Endomorphisms Micena, Fernando Ures, Raúl Dynamical Systems We study the ergodicity of partially hyperbolic endomorphisms, focusing on skew products where the base dynamics are governed by Anosov endomorphisms. For this family, we establish ergodicity and prove that accessibility holds for an open and dense subset. By analyzing the topological implications of accessibility, we demonstrate that conservative accessible partially hyperbolic endomorphisms are topologically transitive. Leveraging accessibility, we further show ergodicity for skew products with $\mathbb{S}^1$-fibers. Finally, although out the context of rotation extensions, we prove ergodic stability results for partially hyperbolic endomorphisms with $\dim(E^c) = 1.$ |
| title | On the Ergodicity of Rotation Extensions of Hyperbolic Endomorphisms |
| topic | Dynamical Systems |
| url | https://arxiv.org/abs/2502.18146 |