Chabauty Limits of Fermat Spirals

Fuente: arXiv
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Main Author: Tevet, Yohay Ailon
Format: Preprint
Published: 2025
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author Tevet, Yohay Ailon
author_facet Tevet, Yohay Ailon
contents A Fermat spiral is a set of points of the form $\sqrt{n}e^{2πiαn}$ for $α\in \mathbb{R}$. In this paper we prove that the Chabauty limits of Fermat spirals are always closed subgroups of $\mathbb{R}^2$, and conclude that no Fermat spirals are dense forests. Furthermore, we show that if $α$ is badly approximable the Chabauty limits are always lattices, for which we give a characterisation.
format Preprint
id arxiv_https___arxiv_org_abs_2506_22863
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Chabauty Limits of Fermat Spirals
Tevet, Yohay Ailon
Number Theory
A Fermat spiral is a set of points of the form $\sqrt{n}e^{2πiαn}$ for $α\in \mathbb{R}$. In this paper we prove that the Chabauty limits of Fermat spirals are always closed subgroups of $\mathbb{R}^2$, and conclude that no Fermat spirals are dense forests. Furthermore, we show that if $α$ is badly approximable the Chabauty limits are always lattices, for which we give a characterisation.
title Chabauty Limits of Fermat Spirals
topic Number Theory
url https://arxiv.org/abs/2506.22863