Renormalization for Bruin-Troubetzkoy ITMs
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866909717311258624 |
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| author | Artigiani, Mauro Hubert, Pascal Skripchenko, Alexandra |
| author_facet | Artigiani, Mauro Hubert, Pascal Skripchenko, Alexandra |
| contents | We study a class of interval translation mappings introduced by Bruin and Troubetzkoy, describing a new renormalization scheme, inspired by the classical Rauzy induction for this class. We construct a measure, invariant under the renormalization, supported on the parameters yielding infinite type interval translation mappings in this class. With respect to this measure, a.e. transformation is uniquely ergodic. We show that this set has Hausdorff dimension between 1.5 and 2, and that the Hausdorff dimension coincides with the affinity dimension. Finally, seeing our renormalization as a multidimensional continued fraction algorithm, we show that it has almost always the Pisot property. We discover an interesting phenomenon: the dynamics of this class of transformations is often (conjecturally: almost always) weak mixing, while the renormalizing algorithm typically has the Pisot property. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_07928 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Renormalization for Bruin-Troubetzkoy ITMs Artigiani, Mauro Hubert, Pascal Skripchenko, Alexandra Dynamical Systems 37E05 (Primary) 37A05, 37A44, 11J70 (Secondary) We study a class of interval translation mappings introduced by Bruin and Troubetzkoy, describing a new renormalization scheme, inspired by the classical Rauzy induction for this class. We construct a measure, invariant under the renormalization, supported on the parameters yielding infinite type interval translation mappings in this class. With respect to this measure, a.e. transformation is uniquely ergodic. We show that this set has Hausdorff dimension between 1.5 and 2, and that the Hausdorff dimension coincides with the affinity dimension. Finally, seeing our renormalization as a multidimensional continued fraction algorithm, we show that it has almost always the Pisot property. We discover an interesting phenomenon: the dynamics of this class of transformations is often (conjecturally: almost always) weak mixing, while the renormalizing algorithm typically has the Pisot property. |
| title | Renormalization for Bruin-Troubetzkoy ITMs |
| topic | Dynamical Systems 37E05 (Primary) 37A05, 37A44, 11J70 (Secondary) |
| url | https://arxiv.org/abs/2412.07928 |