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arXiv 2102.13099math.NT
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模曲线的p-adic Eichler-Shimura映射

p-adic Eichler-Shimura maps for the modular curve

Juan Esteban Rodríguez Camargo

摘要:

利用BGG方法和Hodge-Tate周期映射给出了模曲线的Faltings p-adic Eichler-Shimura分解的一个新的证明.关键的性质是Tate模和Faltings扩张之间的关系,这已经在原始证明中使用。然后,我们构造了模曲线的过收敛Eichler-Shimura(ES)映射,它提供了Andreatta-Iovita-Stevens的过收敛ES映射的“后半部分”。我们使用更高的科尔曼理论的模曲线开发的Boxer-Pilloni的ES地图的小斜率部分插值经典的p-adic Eichler-Shimura分解。最后,我们证明了过收敛ES映射与Poincaré和Serre配对兼容。

英文摘要:

We give a new proof of Faltings's p-adic Eichler-Shimura decomposition of the modular curves via BGG methods and the Hodge-Tate period map. The key property is the relation between the Tate module and the Faltings extension, which was already used in the original proof. Then, we construct overconvergent Eichler-Shimura (ES) maps for the modular curves providing ''the second half'' of the overconvergent ES map of Andreatta-Iovita-Stevens. We use higher Coleman theory on the modular curve developed by Boxer-Pilloni to show that the small slope part of the ES maps interpolates the classical p-adic Eichler-Shimura decompositions. Finally, we prove that the overconvergent ES maps are compatible with Poincaré and Serre pairings.

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