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arXiv · 2207.11813

A H\"older-type inequality for the $C^0$ distance and Anosov-Katok pseudo-rotations

Dušan Joksimović·Sobhan Seyfaddini
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Abstract

We prove a H\"older-type inequality for Hamiltonian diffeomorphisms relating the $C^0$ norm, the $C^0$ norm of the derivative, and the Hofer/spectral norm. We obtain as a consequence that sufficiently fast convergence in Hofer/spectral metric forces $C^0$ convergence. The second theme of our paper is the study of pseudo-rotations that arise from the Anosov-Katok method. As an application of our H\"older-type inequality, we prove a $C^0$ rigidity result for such pseudo-rotations.

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Dušan Joksimović, Sobhan Seyfaddini. 2022-07-24. A H\"older-type inequality for the $C^0$ distance and Anosov-Katok pseudo-rotations. https://doi.org/10.1093/imrn%2Frnad103

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