学术报告
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06
2019-06
Some open problems on Character sums - Jerome William Hoffman （路易斯安纳州立大学）题目：Some open problems on Character sums 报告人: Jerome William Hoffman （路易斯安纳州立大学） 摘要:我们尽力用浅显易懂的语言介绍代数数论方向关于曲线的有理点计算的一些可以做的开放性问题。欢迎研究生参加。随后我们将组织这些问题的讨论。 时间：6月6日（周四）下午14:00-16:00 地点：565net必赢客户端本部教二楼 827 教室 ...
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06
2019-06
Ricci curvature on metric measure spaces -- 陈丽娜，华东师范大学题目：Ricci curvature on metric measure spaces 报告人：陈丽娜，华东师范大学 摘要：In the series of talks I will give a very basic introduction to Ricci curvature bounded from below on metric measure spaces which is also called curvature-dimension condition (CD). ...
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05
2019-06
Geometric constructions related to isoparametric foliations - 钱超教授, 北理工和Munster大学题目：Geometric constructions related to isoparametric foliations 报告人：钱超教授, 北理工和Munster大学 摘要：In this talk, we will discuss some geometric constructions related to isoparametric foliation in unit spheres. In the first part, we will recall...
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04
2019-06
Linear systems via singularity theory - 朱智贤 博士（美国加州大学河滨分校）题目：Linear systems via singularity theory 报告人: 朱智贤 博士 （美国加州大学河滨分校） Abstract : Linear systems on projective varieties are central objects in algebraic geometry and have been intensively studied over the past decades. ...
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04
2019-06
COMPOUND PROBABILITY DISTRIBUTIONS IN DYNAMICAL--Dr. Fan Yang （University of Oklahoma）题目： COMPOUND PROBABILITY DISTRIBUTIONS IN DYNAMICAL SYSTEMS 报告人：Dr. Fan Yang （University of Oklahoma） Abstract : A compound distributions is a probability distribution that results from assuming that certain parameters in a random varia...
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04
2019-06
Ricci curvature on metric measure spaces-陈丽娜，华东师范大学题目：Ricci curvature on metric measure spaces 报告人：陈丽娜，华东师范大学 摘要：In the series of talks I will give a very basic introduction to Ricci curvature bounded from below on metric measure spaces which is also called curvature-dimensi...
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03
2019-06
Pulsating Waves in Dissipative Medium with Delta Sources on a Periodic Lattice - Prof. Xinfu Chen (陈新富) University of Pittsburgh,USA题目：Pulsating Waves in Dissipative Medium with Delta Sources on a Periodic Lattice 报告人: Prof. Xinfu Chen (陈新富) University of Pittsburgh,USA Abstract : In this lecture, we talk about a dissipative heat equation wi...
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03
2019-06
A product structure on Floer theory for Lagrangian cobordisms-Noémie Légout 博士（Grenoble大学）题目：A product structure on Floer theory for Lagrangian cobordisms 报告人：Noémie Légout 博士 （Grenoble大学） Abstract： Chantraine, Dimitroglou-Rizell, Ghiggini and Golovko have defined a Floer complex associated to exact Lagrangian...
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01
2019-06
北京地区拓扑讨论班 李友林（上海交通大学）王家军（北京大学）吴云辉（清华大学）北京地区拓扑讨论班 报告人：李友林（上海交通大学）2:00-3:00， 标题：On contact 3-manifolds. 摘要：A contact structure on a smooth 3-manifold is a maximally non-integrable plane field in the tangent bundle. In this talk, I will introduce the description of contact 3-manifol...
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31
2019-05
Vafa-Witten invariants for projective surfaces and projective surface Deligne-Mumford stacks-蒋云峰教授 (堪萨斯大学)、 题目：Vafa-Witten invariants for projective surfaces and projective surface Deligne-Mumford stacks 报告人：蒋云峰教授 (堪萨斯大学) Abstract : Motivated by S-duality conjecture in physics, especially the work of Vafa-Witten, ...