Maximal stretch and Lipschitz maps on Riemannian manifolds of negative curvature
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866913163033706496 |
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| author | Dai, Xian Knieper, Gerhard |
| author_facet | Dai, Xian Knieper, Gerhard |
| contents | In his seminal work on Teichmüller spaces (\cite{Th98}), Thurston introduced the maximal stretch for a pair of hyperbolic metrics on a closed surface of genus $\geq 2$ and showed that the logarithm of this quantity induces an asymmetric metric in the Teichmüller space. He also showed that the subset of the surface on which the maximal stretch is attained is a geodesic lamination. In this paper, we define the maximal stretch analogously for closed manifolds equipped with Riemannian metrics of variable negative curvature and investigate the structure of the related Mather set on the unit tangent bundle. In contrast to the Teichmüller space, the Mather set may not be lifts of geodesic laminations in this broader setting. However, in our paper, we will discuss similar features shared by the Mather set with geodesic laminations. We also connect the study of the Mather set with the theory of best Lipschitz maps. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_02617 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Maximal stretch and Lipschitz maps on Riemannian manifolds of negative curvature Dai, Xian Knieper, Gerhard Differential Geometry Dynamical Systems Geometric Topology In his seminal work on Teichmüller spaces (\cite{Th98}), Thurston introduced the maximal stretch for a pair of hyperbolic metrics on a closed surface of genus $\geq 2$ and showed that the logarithm of this quantity induces an asymmetric metric in the Teichmüller space. He also showed that the subset of the surface on which the maximal stretch is attained is a geodesic lamination. In this paper, we define the maximal stretch analogously for closed manifolds equipped with Riemannian metrics of variable negative curvature and investigate the structure of the related Mather set on the unit tangent bundle. In contrast to the Teichmüller space, the Mather set may not be lifts of geodesic laminations in this broader setting. However, in our paper, we will discuss similar features shared by the Mather set with geodesic laminations. We also connect the study of the Mather set with the theory of best Lipschitz maps. |
| title | Maximal stretch and Lipschitz maps on Riemannian manifolds of negative curvature |
| topic | Differential Geometry Dynamical Systems Geometric Topology |
| url | https://arxiv.org/abs/2507.02617 |