A partial result towards the Chowla--Milnor conjecture
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866914462106124288 |
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| author | Lai, Li Li, Jia |
| author_facet | Lai, Li Li, Jia |
| contents | The Chowla--Milnor conjecture predicts the linear independence of certain Hurwitz zeta values. In this paper, we prove that for any fixed integer $k \geqslant 2$, the dimension of the $\mathbb{Q}$-linear span of $ζ(k,a/q)-(-1)^{k}ζ(k,1-a/q)$ ($1 \leqslant a < q/2$, $\gcd(a,q)=1$) is at least $(c -o(1)) \cdot \log q$ as the positive integer $q \to +\infty$ for some absolute constant $c>0$. It is well known that $ζ(k,a/q)+(-1)^{k}ζ(k,1-a/q) \in \overline{\mathbb{Q}}π^k$, but much less is known previously for $ζ(k,a/q)-(-1)^{k}ζ(k,1-a/q)$. Our proof is similar to those of Ball--Rivoal (2001) and Zudilin (2002) concerning the linear independence of Riemann zeta values. However, we use a new type of rational functions to construct linear forms. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_12687 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A partial result towards the Chowla--Milnor conjecture Lai, Li Li, Jia Number Theory 11J72 (primary), 11M35, 33C20 (secondary) The Chowla--Milnor conjecture predicts the linear independence of certain Hurwitz zeta values. In this paper, we prove that for any fixed integer $k \geqslant 2$, the dimension of the $\mathbb{Q}$-linear span of $ζ(k,a/q)-(-1)^{k}ζ(k,1-a/q)$ ($1 \leqslant a < q/2$, $\gcd(a,q)=1$) is at least $(c -o(1)) \cdot \log q$ as the positive integer $q \to +\infty$ for some absolute constant $c>0$. It is well known that $ζ(k,a/q)+(-1)^{k}ζ(k,1-a/q) \in \overline{\mathbb{Q}}π^k$, but much less is known previously for $ζ(k,a/q)-(-1)^{k}ζ(k,1-a/q)$. Our proof is similar to those of Ball--Rivoal (2001) and Zudilin (2002) concerning the linear independence of Riemann zeta values. However, we use a new type of rational functions to construct linear forms. |
| title | A partial result towards the Chowla--Milnor conjecture |
| topic | Number Theory 11J72 (primary), 11M35, 33C20 (secondary) |
| url | https://arxiv.org/abs/2505.12687 |