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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2405.10888 |
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Table of Contents:
- We prove a sharp upper bound for the fourth moment of the Hurwitz zeta function $ζ(s,α)$ on the critical line when the shift parameter $α$ is irrational and of irrationality exponent strictly less than 3. As a consequence, we determine the order of magnitude of the $2k$th moment for all $0 \leqslant k \leqslant 2$ in this case. In contrast to the Riemann zeta function and other $L$-functions from arithmetic, these grow like $T (\log T)^k$. This suggests, and we conjecture, that the value distribution of $ζ(s,α)$ on the critical line is Gaussian.