Date | Aug 25, 2023 |
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Speaker | 박선우 |

Dept. | Univ. of Wisconsin-Madison |

Room | 129-104 |

Time | 15:00-17:00 |

Fix a prime number $p$. Let $mathbb{F}_q$ be a finite field of characteristic coprime to $2,3,$ and $p$ containing the primitive $p$-th roots of unity $mu_p$. Based on the works by Swinnerton-Dyer and Klagsbrun, Mazur, and Rubin, we prove that the probability distribution of the sizes of prime Selmer groups over a family of cyclic prime twists of non-isotrivial elliptic curves over $mathbb{F}_q(t)$ satisfying a number of mild constraints conforms to the distribution conjectured by Bhargava, Kane, Lenstra, Poonen, and Rains with explicit error bounds. The key tools used in proving these results are the Riemann hypothesis over global function fields, the Chebotarev density theorem, the Erd"os-Kac theorem, and the geometric ergodicity of Markov chains.

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