Thermodynamic formalism of countably generated self-affine sets
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866913655119937536 |
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| author | Käenmäki, Antti Morris, Ian D. |
| author_facet | Käenmäki, Antti Morris, Ian D. |
| contents | In this article, we further develop the thermodynamic formalism of affine iterated function systems with countably many transformations by showing the existence and extending earlier characterisations of the equilibrium states of finite affine iterated function systems to the countably infinite case. As an application, under mild conditions, we prove that the affinity dimension of a countable affine iterated function system is equal to the supremum of the affinity dimensions of its finite subsystems. We deduce corollaries concerning the Hausdorff dimension of countably generated self-affine sets in dimensions $1$, $2$, and $3$ satisfying mild deterministic assumptions and in arbitrary dimension with generic translations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_00520 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Thermodynamic formalism of countably generated self-affine sets Käenmäki, Antti Morris, Ian D. Dynamical Systems Primary 28A80, 37D35, Secondary 37H15 In this article, we further develop the thermodynamic formalism of affine iterated function systems with countably many transformations by showing the existence and extending earlier characterisations of the equilibrium states of finite affine iterated function systems to the countably infinite case. As an application, under mild conditions, we prove that the affinity dimension of a countable affine iterated function system is equal to the supremum of the affinity dimensions of its finite subsystems. We deduce corollaries concerning the Hausdorff dimension of countably generated self-affine sets in dimensions $1$, $2$, and $3$ satisfying mild deterministic assumptions and in arbitrary dimension with generic translations. |
| title | Thermodynamic formalism of countably generated self-affine sets |
| topic | Dynamical Systems Primary 28A80, 37D35, Secondary 37H15 |
| url | https://arxiv.org/abs/2405.00520 |