Area minimizing hypersurfaces modulo $p$: a geometric free-boundary problem
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2021
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| author | De Lellis, Camillo Hirsch, Jonas Marchese, Andrea Spolaor, Luca Stuvard, Salvatore |
| author_facet | De Lellis, Camillo Hirsch, Jonas Marchese, Andrea Spolaor, Luca Stuvard, Salvatore |
| contents | We consider area minimizing $m$-dimensional currents $\mathrm{mod}(p)$ in complete $C^2$ Riemannian manifolds $Σ$ of dimension $m+1$. For odd moduli we prove that, away from a closed rectifiable set of codimension $2$, the current in question is, locally, the union of finitely many smooth minimal hypersurfaces coming together at a common $C^{1,α}$ boundary of dimension $m-1$, and the result is optimal. For even $p$ such structure holds in a neighborhood of any point where at least one tangent cone has $(m-1)$-dimensional spine. These structural results are indeed the byproduct of a theorem that proves (for any modulus) uniqueness and decay towards such tangent cones. The underlying strategy of the proof is inspired by the techniques developed by Leon Simon in "Cylindrical tangent cones and the singular set of minimal submanifolds" (J. Diff. Geom. 1993) in a class of multiplicity one stationary varifolds. The major difficulty in our setting is produced by the fact that the cones and surfaces under investigation have arbitrary multiplicities ranging from $1$ to $\lfloor \frac{p}{2}\rfloor$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2105_08135 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Area minimizing hypersurfaces modulo $p$: a geometric free-boundary problem De Lellis, Camillo Hirsch, Jonas Marchese, Andrea Spolaor, Luca Stuvard, Salvatore Analysis of PDEs Differential Geometry 49Q15, 49Q20, 49Q05, 53A10 We consider area minimizing $m$-dimensional currents $\mathrm{mod}(p)$ in complete $C^2$ Riemannian manifolds $Σ$ of dimension $m+1$. For odd moduli we prove that, away from a closed rectifiable set of codimension $2$, the current in question is, locally, the union of finitely many smooth minimal hypersurfaces coming together at a common $C^{1,α}$ boundary of dimension $m-1$, and the result is optimal. For even $p$ such structure holds in a neighborhood of any point where at least one tangent cone has $(m-1)$-dimensional spine. These structural results are indeed the byproduct of a theorem that proves (for any modulus) uniqueness and decay towards such tangent cones. The underlying strategy of the proof is inspired by the techniques developed by Leon Simon in "Cylindrical tangent cones and the singular set of minimal submanifolds" (J. Diff. Geom. 1993) in a class of multiplicity one stationary varifolds. The major difficulty in our setting is produced by the fact that the cones and surfaces under investigation have arbitrary multiplicities ranging from $1$ to $\lfloor \frac{p}{2}\rfloor$. |
| title | Area minimizing hypersurfaces modulo $p$: a geometric free-boundary problem |
| topic | Analysis of PDEs Differential Geometry 49Q15, 49Q20, 49Q05, 53A10 |
| url | https://arxiv.org/abs/2105.08135 |