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中科院数学与系统科学研究院

数学研究所

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数学所讲座

(第106讲)

(The Institute Lecture)

 

报告人: 左康 教授(武汉大学)

 目:Constructing abelian schemes of GL2-type over 4-punctured complex projective lines via p-adic Hodge theory and Langlands correspondence

 间:2023.10.11(星期三), 15:30-17:00 (15:00-15:30为茶点时间地点数学院南楼N933)

 点:数学院南楼N204/腾讯会议:499-170-388 密码:123456

: This is a joint work with Jinbang Yang. We construct infinitely many non-isotrivial abelian schemes of GL2-type over 4-punctured complex projective lines with bad reduction of type-(1/2)via p-adic Hodge theory and Langlands correspondence. Recently Lin-Sheng-Wang proved conjecture on the torsionness of zeros of Kodaira-Spencer maps of those type abelian schemes Based on their theorem we show the set of those type schemes is exactly parameterized by torsion sections of the universal family of elliptic curves. We note that, recently Lam-Litt gave a totally different construction of those abelian schemes by applying Katz's middle convolution functor. It could be highly interesting to compare these two very different constructions.

左康教授简介:

左康,武汉大学教授,曾任德国美因茨大学W3教授。本科毕业于中国科学技术大学,后师从 Hirzebruch 教授,获得德国波恩大学博士学位。曾获德国 Heisenberg Fellowship,获聘教育部长江学者讲座教授。在复代数簇基本群的表示、模空间的 Shafarevich 纲领及推广、Coleman-Oort 猜测、p进域上的 Simpson 对应等方向上取得丰富的成果。  

数学所讲座(The Institute Lecture)

旨在讲解现代数学的重要内容及其思想、方法和影响,扩展科研人员和研究生的视野,提高数学修养,加强相互交流,增强学术气氛。时间一般安排在每月第一个星期三(寒暑假除外)。


[video:数学院2023-10-11]

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