Dual $p$-adic Diophantine approximation on manifolds
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| _version_ | 1866914535702528000 |
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| author | Hussain, Mumtaz Schleischitz, Johannes Ward, Benjamin |
| author_facet | Hussain, Mumtaz Schleischitz, Johannes Ward, Benjamin |
| contents | The Generalised Baker-Schmidt Problem (1970) concerns the Hausdorff measure of the set of $ψ$-approximable points on a nondegenerate manifold. Beresnevich-Dickinson-Velani (in 2006, for the homogeneous setting) and Badziahin-Beresnevich-Velani (in 2013, for the inhomogeneous setting) proved the divergence part of this problem for dual approximation on arbitrary nondegenerate manifolds. The divergence part has also been resolved for the $p$-adic setting by Datta-Ghosh in 2022 for the inhomogeneous setting. The corresponding convergence counterpart represents a challenging open problem. In this paper, we prove the homogeneous $p$-adic convergence result for hypersurfaces of dimension at least three with some mild regularity condition, as well as for some other classes of manifolds satisfying certain conditions. We provide similar, slightly weaker results for the inhomogeneous setting. We do not restrict to monotonic approximation functions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2308_14471 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Dual $p$-adic Diophantine approximation on manifolds Hussain, Mumtaz Schleischitz, Johannes Ward, Benjamin Number Theory Dynamical Systems The Generalised Baker-Schmidt Problem (1970) concerns the Hausdorff measure of the set of $ψ$-approximable points on a nondegenerate manifold. Beresnevich-Dickinson-Velani (in 2006, for the homogeneous setting) and Badziahin-Beresnevich-Velani (in 2013, for the inhomogeneous setting) proved the divergence part of this problem for dual approximation on arbitrary nondegenerate manifolds. The divergence part has also been resolved for the $p$-adic setting by Datta-Ghosh in 2022 for the inhomogeneous setting. The corresponding convergence counterpart represents a challenging open problem. In this paper, we prove the homogeneous $p$-adic convergence result for hypersurfaces of dimension at least three with some mild regularity condition, as well as for some other classes of manifolds satisfying certain conditions. We provide similar, slightly weaker results for the inhomogeneous setting. We do not restrict to monotonic approximation functions. |
| title | Dual $p$-adic Diophantine approximation on manifolds |
| topic | Number Theory Dynamical Systems |
| url | https://arxiv.org/abs/2308.14471 |