Rational points on hyperelliptic Atkin-Lehner quotients of modular curves and their coverings
Rational points on hyperelliptic Atkin-Lehner quotients of modular curves and their coverings
复制标题
模曲线及其覆盖的超椭圆 Atkin-Lehner 商上的有理点
DOI:
10.1007/s40993-022-00388-9
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发表时间:
2022
影响因子:
0.8
通讯作者:
Padurariu, Oana
中科院分区:
文献类型:
--
作者:
Adžaga, Nikola;Chidambaram, Shiva;Keller, Timo;Padurariu, Oana
We complete the computation of all-rational points on all the 64 maximal Atkin-Lehner quotientssuch that the quotient is hyperelliptic. To achieve this, we use a combination of various methods, namely the classical Chabauty–Coleman, elliptic curve Chabauty, quadratic Chabauty, and the bielliptic quadratic Chabauty method (from a forthcoming preprint of the fourth-named author) combined with the Mordell-Weil sieve. Additionally, for square-free levelsN, we classify all-rational points as cusps, CM points (including their CM field andj-invariants) and exceptional ones. We further indicate how to use this to compute the-rational points on all of their modular coverings.
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