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A higher weight analogue of Ogg’s theorem on Weierstrass points
International Journal of Number Theory ( IF 0.5 ) Pub Date : 2020-10-23 , DOI: 10.1142/s1793042121500299 Robert Dicks 1
International Journal of Number Theory ( IF 0.5 ) Pub Date : 2020-10-23 , DOI: 10.1142/s1793042121500299 Robert Dicks 1
Affiliation
For a positive integer N , we say that ∞ is a Weierstrass point on the modular curve X 0 ( N ) if there is a non-zero cusp form of weight 2 on Γ 0 ( N ) which vanishes at ∞ to order greater than the genus of X 0 ( N ) . If p is a prime with p ∤ N , Ogg proved that ∞ is not a Weierstrass point on X 0 ( p N ) if the genus of X 0 ( N ) is 0 . We prove a similar result for even weights k ≥ 4 . We also study the space of weight k cusp forms on Γ 0 ( N ) vanishing to order greater than the dimension.
中文翻译:
Ogg 定理在 Weierstrass 点上的更高权重类似物
对于一个正整数ñ , 我们说∞ 是模曲线上的 Weierstrass 点X 0 ( ñ ) 如果有一个非零尖头形式的重量2 在Γ 0 ( ñ ) 消失在∞ 订购大于的属X 0 ( ñ ) . 如果p 是一个素数p ∤ ñ , 奥格证明了∞ 不是魏尔斯特拉斯点X 0 ( p ñ ) 如果属X 0 ( ñ ) 是0 . 我们证明了偶数权重的类似结果ķ ≥ 4 . 我们还研究了重量空间ķ 尖头形式Γ 0 ( ñ ) 消失的顺序大于维度。
更新日期:2020-10-23
中文翻译:
Ogg 定理在 Weierstrass 点上的更高权重类似物
对于一个正整数