Lipschitz rigidity for scalar curvature on singular manifolds in odd dimensions
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866909006978613248 |
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| author | Schoenlinner, Lukas |
| author_facet | Schoenlinner, Lukas |
| contents | The main result of this article is a Llarull-type rigidity statement for scalar curvature on Riemannian spin manifolds with cone-like singularities in odd dimensions. The even dimensional analog was proven in an earlier work together with Simone Cecchini, Bernhard Hanke and Thomas Schick using index theory and the analysis of abstract cone operators, which applies to Dirac operators associated with generalized cone metrics. We will extend the analysis of abstract cone operators, apply it to twisted Dirac operators on singular manifolds and combine it with a spectral flow argument to prove the main result. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_00151 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Lipschitz rigidity for scalar curvature on singular manifolds in odd dimensions Schoenlinner, Lukas Differential Geometry Metric Geometry Spectral Theory Primary: 53C23, 53C24, Secondary: 53C27, 58J30 The main result of this article is a Llarull-type rigidity statement for scalar curvature on Riemannian spin manifolds with cone-like singularities in odd dimensions. The even dimensional analog was proven in an earlier work together with Simone Cecchini, Bernhard Hanke and Thomas Schick using index theory and the analysis of abstract cone operators, which applies to Dirac operators associated with generalized cone metrics. We will extend the analysis of abstract cone operators, apply it to twisted Dirac operators on singular manifolds and combine it with a spectral flow argument to prove the main result. |
| title | Lipschitz rigidity for scalar curvature on singular manifolds in odd dimensions |
| topic | Differential Geometry Metric Geometry Spectral Theory Primary: 53C23, 53C24, Secondary: 53C27, 58J30 |
| url | https://arxiv.org/abs/2605.00151 |