Stability results for nonlocal Serrin-type problems, antisymmetric Harnack inequalities, and geometric estimates
Fuente:
arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866912478695260160 |
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| author | Thompson, Jack |
| author_facet | Thompson, Jack |
| contents | In this thesis, we explore several related topics broadly regarding the symmetry and geometric properties of nonlocal partial differential equations (PDE). This thesis is split into three parts. In the first part, we study two overdetermined problems, namely Serrin's problem and the parallel surface problem, driven by the fractional Laplacian. In the second part, we study the Harnack inequality for solutions to nonlocal PDE which are antisymmetric, that is, they have an odd symmetry with respect to reflections across some hyperplane. This topic has a strong motivation coming from proving quantitative stability estimates for nonlocal overdetermined problems. In the third part, we prove several geometric identities and inequalities involving the fractional mean curvature. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_09219 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Stability results for nonlocal Serrin-type problems, antisymmetric Harnack inequalities, and geometric estimates Thompson, Jack Analysis of PDEs In this thesis, we explore several related topics broadly regarding the symmetry and geometric properties of nonlocal partial differential equations (PDE). This thesis is split into three parts. In the first part, we study two overdetermined problems, namely Serrin's problem and the parallel surface problem, driven by the fractional Laplacian. In the second part, we study the Harnack inequality for solutions to nonlocal PDE which are antisymmetric, that is, they have an odd symmetry with respect to reflections across some hyperplane. This topic has a strong motivation coming from proving quantitative stability estimates for nonlocal overdetermined problems. In the third part, we prove several geometric identities and inequalities involving the fractional mean curvature. |
| title | Stability results for nonlocal Serrin-type problems, antisymmetric Harnack inequalities, and geometric estimates |
| topic | Analysis of PDEs |
| url | https://arxiv.org/abs/2507.09219 |