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| Main Author: | |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2508.15466 |
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| _version_ | 1866913999756460032 |
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| author | Fornal, Jan |
| author_facet | Fornal, Jan |
| contents | This paper resolves the question of pointwise convergence for ergodic averages of a single function along the set of polynomial values of primes of the form $x^2 + ny^2$. Following the influential paper of Bourgain \cite{bourgain1989pointwise}, we employ the Hardy-Littlewood circle method where major arc and minor arc estimates for the set of prime ideals constitute the main novelty of the paper. We also prove that our convergence results cannot be extended to class of $L^1$ functions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_15466 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Pointwise ergodic theorem along primes of the form $x^2 + ny^2$ Fornal, Jan Dynamical Systems Number Theory This paper resolves the question of pointwise convergence for ergodic averages of a single function along the set of polynomial values of primes of the form $x^2 + ny^2$. Following the influential paper of Bourgain \cite{bourgain1989pointwise}, we employ the Hardy-Littlewood circle method where major arc and minor arc estimates for the set of prime ideals constitute the main novelty of the paper. We also prove that our convergence results cannot be extended to class of $L^1$ functions. |
| title | Pointwise ergodic theorem along primes of the form $x^2 + ny^2$ |
| topic | Dynamical Systems Number Theory |
| url | https://arxiv.org/abs/2508.15466 |