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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2511.00178 |
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| _version_ | 1866914127699509248 |
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| author | Avalos, Rodrigo Cogo, Albachiara Abrego, Andoni Royo |
| author_facet | Avalos, Rodrigo Cogo, Albachiara Abrego, Andoni Royo |
| contents | It is well known in Riemannian geometry that the metric components have the best regularity in harmonic coordinates. These can be used to characterize the most regular element in the isometry class of a rough Riemannian metric. In this work, we study the conformal analogue problem on closed 3-manifolds: given a Riemannian metric $g$ of class $W^{2,q}$ with $q > 3$, we characterize when a more regular representative exists in its conformal class. We highlight a deep link to the Yamabe problem for rough metrics and present some immediate applications to conformally flat, static and Einstein manifolds. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_00178 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Regularity of conformal structures on closed 3-manifolds Avalos, Rodrigo Cogo, Albachiara Abrego, Andoni Royo Differential Geometry 53C18, 58J5, 35J62 It is well known in Riemannian geometry that the metric components have the best regularity in harmonic coordinates. These can be used to characterize the most regular element in the isometry class of a rough Riemannian metric. In this work, we study the conformal analogue problem on closed 3-manifolds: given a Riemannian metric $g$ of class $W^{2,q}$ with $q > 3$, we characterize when a more regular representative exists in its conformal class. We highlight a deep link to the Yamabe problem for rough metrics and present some immediate applications to conformally flat, static and Einstein manifolds. |
| title | Regularity of conformal structures on closed 3-manifolds |
| topic | Differential Geometry 53C18, 58J5, 35J62 |
| url | https://arxiv.org/abs/2511.00178 |