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arXiv 1507.04875math.NT
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过收敛模形式与拟完全Shimura曲线

Overconvergent modular forms and perfectoid Shimura curves

Przemyslaw Chojecki, David Hansen, Christian Johansson

摘要:

本文给出了任意权的过收敛模形式的一种新的构造方法,并将其定义为Scholze无限级模曲线的某些仿射子集上的函数.这些仿射子集,并在他们一定的标准坐标,发挥作用,在我们的建设是强烈类似的作用,上半平面及其坐标“z”在经典的解析理论的模形式。作为这些思想的一个应用,我们定义并研究了$\mathbb{Q}$上紧Shimura曲线的超收敛Eichler-Shimura映射,证明了Andreatta-Iovita-Stevens结果的更强的类似性.

英文摘要:

We give a new construction of overconvergent modular forms of arbitrary weights, defining them in terms of functions on certain affinoid subsets of Scholze's infinite-level modular curve. These affinoid subsets, and a certain canonical coordinate on them, play a role in our construction which is strongly analogous with the role of the upper half-plane and its coordinate `z' in the classical analytic theory of modular forms. As one application of these ideas, we define and study an overconvergent Eichler-Shimura map in the context of compact Shimura curves over $\mathbb{Q}$, proving stronger analogues of results of Andreatta-Iovita-Stevens.

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