学术报告
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07
2022-04
2022年首都师范大学数论研讨会 -
07
2022-04
Examples of open manifolds with positive Ricci curvature and non-proper Busemann functions-潘佳垠 教授 (Fields Institute & UC-Santa Cruz)线上学术报告 Title: Examples of open manifolds with positive Ricci curvature and non-proper Busemann functions Speaker: 潘佳垠教授 (Fields Institute & UC-Santa Cruz) Abstract：We give the first example of an open manifold with positive Ricci curvatur...
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06
2022-04
Isoparametric functions and isoparametric hypersurfaces on (conic) Finsler mani -folds -贺群（同济大学）题目：Isoparametric functions and isoparametric hypersurfaces on (conic) Finsler mani -folds 报告人：贺群（同济大学） 摘要：In this talk, I will introduce the background and some new progresses on isoparametric functions and isoparametric hypersurfaces of...
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31
2022-03
Holomorphic d-scalar curvature on almost Hermitian manifolds-葛建全 教授 (北京师范大学)线上学术报告 Title: Holomorphic d-scalar curvature on almost Hermitian manifolds Speaker: 葛建全教授 (北京师范大学) Abstract：In this talk, we introduce our recent work on the existence of constant holomorphic d-scalar curvature and the prescribing holomor...
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30
2022-03
双曲空间中的超曲面-马世光（南开大学）题目：双曲空间中的超曲面 报告人：马世光（南开大学） 摘要：埃尔朗根纲领内容是：几何学所研究的对象是在对称 群作用下的不变量。一般来说，不同的几何具有不同的群作 用。我们从双曲空间与其无穷远边界（球面）的相同对称群 出发，引出 Ads-CFT 对偶的观点，然后，我们应用这种观 点来解决双曲空间中的超曲面的嵌入问题。 时间：2022 年 3 月 30 日(周三)19:00-20:00 地点：李群与微分几何线上联合讨论班 腾讯会议号：287-653-146 ...
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25
2022-03
On Multiple Zeta Values-张介玉 教授（台湾清华大学）题目： On Multiple Zeta Values 报告人: 张介玉 教授 （台湾清华大学） Abstract: In this talk, we will first introduce the classical theory of multiple zeta values (MZV’s) as well as some celebrated problems and recent developments. We will then introdu...
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24
2022-03
A proof of Toponogov's theorem in Alexandrov geometry-王雨生 教授 (北京师范大学)线下学术报告 Title: A proof of Toponogov's theorem in Alexandrov geometry Speaker: 王雨生教授 (北京师范大学) Abstract In the talk, we will provide a new proof for Toponogov's theorem (in the large) in Alexandrov geometry with lower curvature bound. Th...
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22
2022-03
Collapsing geometry of Calabi-Yau metrics in complex dimension two-张若冰 （普林斯顿大学）Title: Collapsing geometry of Calabi-Yau metrics in complex dimension two Speaker: 张若冰 （普林斯顿大学） Abstract: Calabi-Yau metrics exhibit highly complicated behaviors as collapse occurs, which leads to substantial difficulties in both analytic ...
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18
2022-03
Bessel F-isocrystals for reductive groups-许大昕 副研究员（中科院晨兴数学中心）题目： Bessel F-isocrystals for reductive groups 报告人: 许大昕 副研究员 （中科院晨兴数学中心） Abstract: I will first review the relationship between the Kloosterman sums and the classical Bessel differential equation. Recently, there are two generali...
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17
2022-03
Recent developments on the Dirichlet problem for the minimal surface system-张永胜 (同济大学)线下学术报告 Title: Recent developments on the Dirichlet problem for the minimal surface system Speaker: 张永胜 (同济大学) Abstract：此报告为该方向的综述性报告（几何、分析、拓扑等技术细节较轻）。首先将回顾 Lawson-Osserman 取得的关键突破，然后逐步介绍近几年来观察到的一些有趣现象，其间会提及若干尚未解决的相关问题。 北京时间：2022年3月17日...