学术报告
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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...
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16
2022-03
Fill-in in terms of scalar curvature -王文龙(南开大学)题目:Fill-in in terms of scalar curvature 报告人:王文龙(南开大学) Abstract : In this talk, we will first introduce the notion “fill-in with nonnegative scalar curvature”. Then we will talk about the motivation of this fill-in problem both from geome...
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10
2022-03
Canonical blow-ups of Grassmann manifolds-方汉隆 (北京大学)线下学术报告 Title: Canonical blow-ups of Grassmann manifolds Speaker: 方汉隆 (北京大学) Abstract We introduce certain canonical blow-ups of Grassmann manifolds by partitioning the Plücker coordinates with respect to a parameter. Various geometric a...
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13
2022-01
Selection dynamics for Deep Neural Networks - Prof. Peter Markowich (King Abdullah University of Science and Technology)Distinguished Lecture Series in Mathematics 系列数学前沿学术讲座 报告题目:Selection dynamics for Deep Neural Networks 报告人:Prof. Peter Markowich (King Abdullah University of Science and Technology) 时间:2022年1月13日 16:00-17:30 PM (Beijing time), 9:00...
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07
2022-01
A construction of directed strongly regular graphs - 冯荣权 教授 (北京大学)编码密码讨论班系列活动六 题目: A construction of directed strongly regular graphs 报告人:冯荣权 教授 (北京大学) 时间:2022年1月7日 上午9:30-10:30 地点:腾讯会议 会议ID:358 951 005 摘要: An (n,k,t,p,q) -directed strongly regular graph is a directed graph with verti...
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07
2022-01
Gilbert-Varshamov Bounds on the Size of Binary Codes - 陆玫 教授 (清华大学)编码密码讨论班系列活动六 题目: Gilbert-Varshamov Bounds on the Size of Binary Codes 报告人:陆玫 教授 (清华大学) 时间:2022年1月7日 下午14:30-15:30 地点:腾讯会议 会议ID:461 846 711 摘要: The well-known Gilbert-Varshamov (GV) bound states that the maximum size of a binary cod...