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24

2023-07

Kähler-Einstein metric, K-stability and moduli spaces

IASM Distinguished Lectures：Kähler-Einstein metric, K-stability and moduli spacesTime: July 27 Thursday, 15:00-16:00 Venue: 东7报告厅Speaker: 许晨阳 Chenyang Xu (Princeton University) Abstract. The question of whether a smooth complex variety with a positive first Chern class, called a Fano variety, has a Kähler-Einstein metric has been a major topic in complex geometry sinc...

24

2023-07

Geometry of theta correspondence over finite fields

24

2023-07

Hölder stability of quantitative photoacoustic tomography based on partial data

题目： Hölder stability of quantitative photoacoustic tomography based on partial data.报告时间:2023年7月26日 10：00-11：00报告地点：海纳苑2幢210报告厅摘要: The talk is related to the inverse problem of reconstructing the diffusion and absorption coefficients of the diffusion equation from internal data in photo-acoustic imaging. I will show that the problem is Hölder stable in subregi...

19

2023-07

Global harmonic analysis

11

2023-07

Stable nearly self-similar blowup of the 2D Boussinesq and 3D Euler equations with smooth data

Title: Stable nearly self-similar blowup of the 2D Boussinesq and 3D Euler equations with smooth data 报告人：陈嘉杰 (Courant Institute, New York University)时间：7月14日(周五)，15:00-16:00，海纳苑2幢204室Abstract: Whether the 3D incompressible Euler equations can develop a finite-time singularity from smooth initial data is an outstanding open problem. In this talk, we will first...

10

2023-07

Mean curvature flow translators with prescribed ends

题目: Mean curvature flow translators with prescribed ends报告人: 孙奥（芝加哥大学）时间：2023年7月12日，15:30-地点：海纳苑2幢101室摘要: Mean curvature flow is the fastest way to decrease the area of surfaces. It is the model in many disciplines such as material science, fluid mechanism, and computer graphics. The translators are a special type of mean curvature flow soliton. They are the singular...

30

2023-06

Some Recent Development in Minimal Surface Theory

27

2023-06

Number Theory and Representation Theory Seminar

数论与表示论讨论班Number Theory and Representation Theory SeminarTime: June 28, Wednesday, 15:00-16:00 Venue： Lecture HallSpeaker：Bin Xu 徐斌（Tsinghua University）Title：On the structure of Arthur packets for real symplectic and orthogonal groupsAbstract: The irreducible admissible representations of Arthur class are the local components of automorphic representations. They are conjectured to b...

26

2023-06

Generalization Analysis for Contrastive Representation Learning

题目：Generalization Analysis for Contrastive Representation Learning报告人：应益明教授（University at Albany, State University of New York）时间：2023年6月30日（星期五）9：00地点：腾讯会议会议ID：925-524-124会议密码：310058Abstract: In this talk, I will present recent progress in establishing the learning theory foundation for Contrastive Representation Learning (CRL). CRL has demonstrated ...

25

2023-06

Radial Basis Function-Finite Difference Method for Solving PDEs and Eigenvalue Problems on Riemannian Manifolds

题目：Radial Basis Function-Finite Difference Method for Solving PDEs and Eigenvalue Problems on Riemannian Manifolds报告人：蒋诗晓（上海科技大学）时间：2023年6月27日14：00-16：00地点：海纳苑2幢204 摘要：In this talk, we will first discuss the Radial Basis Function (RBF) approximation to differential operators on smooth tensor fields defined on Riemannian submanifolds of ...

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