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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2409.02338 |
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| _version_ | 1866909876837416960 |
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| author | Martin, Kimball |
| author_facet | Martin, Kimball |
| contents | Recently, we showed that global root numbers of modular forms are biased toward +1. Together with Pharis, we also showed an initial bias of Fourier coefficients towards the sign of the root number. First, we prove analogous results with respect to local root numbers.
Second, a subtle correlation between Fourier coefficients and global root numbers, termed murmurations, was recently discovered for elliptic curves and modular forms. We conjecture murmurations in a more general context of different (possibly empty) combinations of local root numbers.
Last, an appendix corrects a sign error in our joint paper with Pharis. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_02338 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Distribution of local signs of modular forms and murmurations of Fourier coefficients Martin, Kimball Number Theory Recently, we showed that global root numbers of modular forms are biased toward +1. Together with Pharis, we also showed an initial bias of Fourier coefficients towards the sign of the root number. First, we prove analogous results with respect to local root numbers. Second, a subtle correlation between Fourier coefficients and global root numbers, termed murmurations, was recently discovered for elliptic curves and modular forms. We conjecture murmurations in a more general context of different (possibly empty) combinations of local root numbers. Last, an appendix corrects a sign error in our joint paper with Pharis. |
| title | Distribution of local signs of modular forms and murmurations of Fourier coefficients |
| topic | Number Theory |
| url | https://arxiv.org/abs/2409.02338 |