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26

2025-05

计算与应用讨论班——Mathematical AI for Molecular Sciences

报告人：夏克林（Nanyang Technological University）时间：2025年6月16日，10:00-11:00地点：海纳苑2幢203摘要：Artificial intelligence (AI) based Molecular Sciences have begun to gain momentum due to the great advancement in experimental data, computational power and learning models. However, a major issue that remains for all these AI-based learning models is the efficient molecular representations an...

26

2025-05

代数与表示论讨论班——Continuous Quivers of Type A

24

2025-05

概率统计讨论班——High-dimensional central limit theorems by Stein's method in the degenerate case

报告人：方笑（香港中文大学）时间：2025年5月24日，10:00-11:00地点：海纳苑2幢206室摘要：In the literature of high-dimensional central limit theorems, there is a gap between results for general limiting correlation matrix $\Sigma$ and the strongly non-degenerate case. For the general case where $\Sigma$ may be degenerate, under certain light-tail conditions, when approximating a normalized sum of $n$...

23

2025-05

计算与应用讨论班——Low-degree finite element methods for transmission eigenvalue problems

报告人：张硕(中科院数学与系统科学研究院)时间：2025年5月23日，14:00-16:00地点：海纳苑2幢203室摘要：The transmission eigenvalue problem is applied in invisibility cloaking, seismic exploration, photonic crystals and meta-surfaces. As a fourth order nonlinear eigenvalue problem with variable coefficient, conforming finite element discretization requires high-degree polynomials. In this talk, we utili...

21

2025-05

数论与表示论讨论班——Counting l-adic local systems over a curve

报告人：Hongjie Yu(Chinese Academy of Sciences)时间：2025年5月21日，16:00-17:00地点：紫金港校区东7数高院一楼报告厅组织者：Dongwen Liu, Yifeng Liu, Andreas Mihatsch, Binyong Sun摘要：Given a punctured curve over a finite field, Deligne proposed counting irreducible geometric l-adic local systems with prescribed local ramification near each punc...

20

2025-05

浙大-西湖几何分析讨论班——Existence of embedded minimal tori in three-spheres with positive Ricci curvature

报告人：王志超青年研究员（复旦大学）时间：2025年5月22日（星期四），下午14:00-15:00地点：海纳苑2幢206摘要：In this joint work with Xingzhe Li, we prove the strong Morse inequalities for the area functional in the space of embedded tori and spheres in the three sphere. As a consequence, we prove that in the three dimensional sphere with positive Ricci curvature, there exist a...

20

2025-05

浙大-西湖几何分析讨论班——Complete Kahler manifolds with nonnegative Ricci curvature II

报告人：刘钢教授（华东师范大学）时间：2025年5月22日（星期四），下午15:00-16:00地点：海纳苑2幢206摘要：We discuss some recent results on Complete Kahler manifolds with nonnegative Ricci curvature and find integral of scalar curvature in different places. 联系人：江文帅（wsjiang@zju.edu.cn)

19

2025-05

分析和微分方程讨论班——On almost everywhere convergence of planar Bochner Riesz mean

报告人：吴澍坤（印第安纳大学）时间：2025年5月21日，09:00-10:30地点：海纳苑2幢202室摘要：In this talk, I will survey the almost everywhere convergence problem for the Bochner-Riesz means, and discuss a recent result with Xiaochun Li, where we prove that the planar Bochner Riesz means converge almost everywhere for any L^p function in the optimal range, for 5/3<p<2. One main difficulty of this...

19

2025-05

分析和微分方程讨论班——Restriction Problems in the Study of Eigenfunctions

报告人：高传伟（首都师范大学）时间：2025年5月21日，10:30-12:00地点：海纳苑2幢202室摘要：In this talk, we will begin with a brief overview of the restriction problem and its related topics, including the Kakeya problem, decoupling theory, and associated methods and techniques. We will then discuss how these problems connect to the study of eigenfunctions.联系人：席亚昆（yakunxi@zju.edu.cn）

12

2025-05

Wasserstein重心的几何

报告人：韩邦先教授（山东大学）时间：2025年5月19日（星期一），上午10:30-11:30地点：海纳苑2幢202摘要：近年来，源自于最优传输理论的Wasserstein重心问题收到了来自于数学理论和应用两个领域的广泛关注。本次报告中，我们将通过几个来自于几何、随机分析中的例子，从度量几何的角度阐述Wasserstein重心与曲率的联系。联系人：江文帅（wsjiang@zju.edu.cn)

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