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On the compactification of the Drinfeld modular curve of level Γ1Δ(n)
Journal of Number Theory ( IF 0.7 ) Pub Date : 2020-08-14 , DOI: 10.1016/j.jnt.2020.07.015 Shin Hattori
中文翻译:
关于阶Γ1Δ(n)的Drinfeld模曲线的紧化
更新日期:2020-08-14
Journal of Number Theory ( IF 0.7 ) Pub Date : 2020-08-14 , DOI: 10.1016/j.jnt.2020.07.015 Shin Hattori
Let p be a rational prime and q a power of p. Let be a non-constant monic polynomial in which has a prime factor of degree prime to . In this paper, we define a Drinfeld modular curve over and study the structure around cusps of its compactification , in a parallel way to Katz-Mazur's work on classical modular curves. Using them, we also define a Hodge bundle over such that Drinfeld modular forms of level , weight k and some type are identified with global sections of its k-th tensor power.
中文翻译:
关于阶Γ1Δ(n)的Drinfeld模曲线的紧化
设p为有理素数,q为p的幂。让 是一个非常量的单调多项式 其中有一个素数的素因数 . 在本文中,我们定义了一条 Drinfeld 模曲线 超过 并研究其密实化的尖端周围的结构 ,与 Katz-Mazur 在经典模曲线上的工作并行。使用它们,我们还定义了一个 Hodge bundle 使得 Drinfeld 模块化水平面形式 ,权重k和某些类型用其第k个张量幂的全局部分标识。