Mean Value for Random Ideal Lattices
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866911311767535616 |
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| author | Gargava, Nihar Viazovska, Maryna |
| author_facet | Gargava, Nihar Viazovska, Maryna |
| contents | We investigate the average number of lattice points within a ball for the $n$th cyclotomic number field, where the lattice is chosen at random from the set of unit determinant ideal lattices of the field. We show that this average is nearly identical to the average number of lattice points in a ball among all unit determinant random lattices of the same dimension. To establish this result, we apply the Hecke integration formula and subconvexity bounds on Dedekind zeta functions of cyclotomic fields.
The symmetries arising from the roots of unity in an ideal lattice allow us to prove the existence of ideal lattice packings of dimension $φ(n)$ and density $n\cdot 2^{-φ(n)}(1+o(1))$ as $n$ goes to infinity. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_14973 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Mean Value for Random Ideal Lattices Gargava, Nihar Viazovska, Maryna Number Theory 11H60, 11H31, 11T71 We investigate the average number of lattice points within a ball for the $n$th cyclotomic number field, where the lattice is chosen at random from the set of unit determinant ideal lattices of the field. We show that this average is nearly identical to the average number of lattice points in a ball among all unit determinant random lattices of the same dimension. To establish this result, we apply the Hecke integration formula and subconvexity bounds on Dedekind zeta functions of cyclotomic fields. The symmetries arising from the roots of unity in an ideal lattice allow us to prove the existence of ideal lattice packings of dimension $φ(n)$ and density $n\cdot 2^{-φ(n)}(1+o(1))$ as $n$ goes to infinity. |
| title | Mean Value for Random Ideal Lattices |
| topic | Number Theory 11H60, 11H31, 11T71 |
| url | https://arxiv.org/abs/2411.14973 |