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13

2023-10

Geometric Quasi-Linearization (GQL) for Bound-Preserving Schemes

题目:Geometric Quasi-Linearization (GQL) for Bound-Preserving Schemes报告人：吴开亮（南方科技大学）时间：2023年10月20日下午4:00-5:00地点：海纳苑2幢202摘要: Solutions to many partial differential equations satisfy certain bounds or constraints. For example, the density and pressure are positive for equations of fluid dynamics, and in the relativistic case the fluid velocity is upper bounded by th...

07

2023-10

表示论与数论讨论班—Families of D-modules and arithmetic models of Harish-Chandra modules

07

2023-10

几何分析讨论班—Configuration Space Integrals and Formal Smooth Struc- tures

07

2023-10

表示论与数论讨论班—Affine Deligne-Lusztig variety of Coxeter type element

26

2023-09

概率统计讨论班—On Structurally Grouped Approximate Factor Models

报告题目：On Structurally Grouped Approximate Factor Models 报告人：涂云东教授（北京大学）时间：2023年10月7日（周六）下午3：00开始地点：浙江大学数学科学学院，海纳苑2幢206 摘要：This paper explores the group structure in large dimensional approximate factor models, which portrays homogeneous effects of the common factors on the individuals that fall into the same group...

25

2023-09

几何分析讨论班--Rigidity theorems about Q-curvature

报告人：李明翔博士（南京大学）时间：2023年10月10日（星期二）上午10:30-11:30 地点：海纳苑2幢105摘要：In this talk, we will introduce some rigidity theorems on complete and conformally flat manifolds with help of Q-curvature. We introduce a new volume entropy to give a sufficient and necessary condition for the ”normal” metric. Meanwhile, with help of geometric measure theory, we give a di...

25

2023-09

几何分析讨论班--Rigidity theorems about Q-curvature

报告人：李明翔博士（南京大学）时间：2023年10月10日（星期二）上午10:30-11:30 地点：海纳苑2幢105摘要：In this talk, we will introduce some rigidity theorems on complete and conformally flat manifolds with help of Q-curvature. We introduce a new volume entropy to give a sufficient and necessary condition for the ”normal” metric. Meanwhile, with help of geometric measure theory, we give a di...

20

2023-09

几何分析讨论班--Mean field type equations and some related problems

报告人：胡烨耀教授（中南大学）时间：2023年9月25日（星期一）下午16:00-17:00 地点：海纳苑2幢102摘要：In this talk, we will first review the resolution of the celebrated Chang-Yang’s conjecture on a sharp Moser-Trudinger type inequality on the two-dimensional sphere. Then we recall the complete theory in dimension one and emphasize the key role played by mean field type equations. Moreover, h...

15

2023-08

数学高等研究院特邀报告：Counting Roots of Polynomials

数学高等研究院特邀报告Time: August 21, Monday, 16:00-17:00 Venue: 数学高等研究院Lecture HallSpeaker: 万大庆Daqing Wan (University of California, Irvine)Title: Counting Roots of PolynomialsAbstract: A central theme in algebra and number theory is to count the roots of a polynomial system over a field. In this introductory lecture, we explore the algorithmic aspect of root counting, mostly when the ...

14

2023-07

数论与表示论讨论班

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