22

2020-07

Calabi-Yau algebras and the shifted symplectic structure

时间:7月24日, 15:00-16:00地点：浙江大学紫金港校区东七教学楼数学高等研究院一楼报告厅报告人: 陈小俊单位: 四川大学题目: Calabi-Yau algebras and the shifted symplectic structure 摘要: In this talk, we first recall the shifted symplectic structure introduced by Pantev et al, and then explain that there is a noncommutative version of shifted symplectic structure on Calabi-Yau algebras, which induce...

15

2020-07

全纯向量场与有理性

时间：7月17日， 15:00-16:00地点：浙江大学紫金港校区东七教学楼数学高等院 报告人：胡文传（四川大学）题目：全纯向量场与有理性摘要：讨论存在有孤立零点全纯向量场的复射影流形时的有理性。 欢迎各位老师参加！

02

2020-07

Estimation and Inference for Multi-Kink Quantile Regression

报告人：钟威教授（厦门大学） 时间：2020年7月8日（星期三）下午2：30 地点：钉钉群（群号：32138154） 摘要：This article is concerned with parameter estimation, change points detection and statistical inference for a Multi-Kink Quantile Regression (MKQR) model. It assumes different regression forms in different regions of the domain of the threshold covariate but is still continuous at ...

28

2020-06

数据科学| Scalable Statistical Inference for Massive Health Data: Challenges and Opportunities

19

2020-06

数学所讲座| Common preperiodic points and its application

浙江大学数学科学学院数学所讲座 题目:  Common preperiodic points and its application报告人: 叶和溪 研究员 (浙江大学数学学院)摘要:  Preperiodic points play an important role in the study of dynamics. In this talk, we discuss the number of common preperiodic points of two rational functions on $\P^1$. As an application, we use it to count the number of torsion points on a family of gen...

26

2020-05

复向量丛上的几何分析

报告题目： 复向量丛上的几何分析报告人：张希教授（中国科学技术大学）时间：2020年6月12日 （星期五）下午2:00-3:00地点：钉钉群(群号：34910802) 摘要：纤维丛是现代微分几何的重要概念，它将许多重要的数学和物理对象统一起来。示性类理论则是纤维丛研究中的重点，这方面Hopf、Stiefel、Whitney、Pontrjagin、陈省身和吴文俊等做出了开拓性的工作。上世纪四十年代陈省身在复向量丛上引入“陈省身示性类”（简称...

25

2020-05

数学所讲座| Quantum K-Theory and 3d TQFT

07

2020-01

求是数学前沿论坛 | 机器学习的数学理论（更新）

27

2019-12

数论及表示论|Some old and new results about singular moduli

Title:  Some old and new results about singular moduliSpeaker： Prof. Dr. Yingkun Li (Technische Universität Darmstadt)Time：14:30-16:00pm, Jan 6th, 2020(Monday) Location：200-9，Sir Run Run Shaw Business Administration buildingAbstract:  The values of the modular j-invariant at CM points are calledsingular moduli. They have been known to be algebraic integers since the time of...

27

2019-12

Bessel Descents and Branching Problems

Title: Bessel Descents and Branching Problems报告人：张磊 博士（新加坡国立大学）时间：2019年12月27日下午4点地点：浙江大学紫金港校区东七数学高等研究院报告厅Abstract: In this talk, we will discuss the theory of automorphic descents of Bessel-Fourier coefficients of classical groups of Hermitian type and its relation to the automorphic version of the branching problem and the reciprocal branchin...

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