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19

2019-06

Double Bott-Samelson cells and cluster algebras

Title: Double Bott-Samelson cells and cluster algebras 报告人：沈临辉博士（美国密西根州立大学）时间：2019年6月28日（周五）上午9:15 地点：玉泉工商楼200-9 Abstract: We introduce the double Bott-Samelson cell associated to an arbitrary Kac-Peterson group G and a pair of positive braids (b, d). We prove that the double Bott-Samelson cells are affine varieties whose coordinate rings are upper c...

19

2019-06

一些有限维Hopf代数的分类

题目：一些有限维Hopf代数的分类报告人:王晶时间：2019年6月25日9点-11点地点：欧阳楼220 摘要：In this talk，I will introduce some classification results on finite dimensional Nichols Algebras of diagonal type, especially the classification results over arbitrary fields. The classification of Nichols algebras is crucial to the classification of Hopf algebras. The main tools are Weylgroupoids and the...

19

2019-06

Volume Comparison under the weighted Ricci curvature Bound

Title: Volume Comparison under the weighted Ricci curvature BoundSpeaker: Prof. Zhongmin Shen (Indiana University-Purdue University,Indianapolis) Time: 16:00--17：00, June 24, 2019 Venue: Room 316, Ouyang Building（欧阳楼316室） Abstract: In this talk, I will give a brief survey on the Laplacian of a distance function and the weighted Ricci curvature on a Rie...

17

2019-06

Fairness and its Price in Some Resource Allocation Problems

报告人：Prof. Bo CHEN报告题目：Fairness and its Price in Some Resource Allocation Problems时间：6月20日下午15:30-16:30地点：欧阳纯美楼316室摘要：We first give a brief introduction to the formalization of the notion of fairness. Then we investigate the concept of price of fairness in resource allocation and apply it to two-agent single-machine scheduling problems, in which two agents, each having a...

17

2019-06

Compact scheme discretizations for computational mechanics :an illustration from fluid mechanics and Signorini problems

题目: Compact scheme discretizations for computational mechanics :an illustration from fluid mechanics and Signorini problems 报告人:Stephane Abide (Laboratoire de Mathematiques et Physique, Universite de Perpignan, Perpignan, France) 时间: 6月18日14:30-16:00 地点: 工商管理楼105教室摘要：Realistic simulations in mechanics involve a large computation cost inherent to fine meshes. A common strategy...

15

2019-06

Hardy-Littlewood-Sobolev Inequality on Product Spaces

报告题目: Hardy-Littlewood-Sobolev Inequality on Product Spaces 报告人: 王子鹏（西湖大学）报告时间: 2019年6月17日， 10:15-11:15 报告地点: 玉泉校区逸夫工商楼200-9 报告摘要: Product theory in harmonic analysis dates back to the time of Jessen, Marcinkiewicz and Zygmund as the strong maximal function was first investigated. Study o...

14

2019-06

Local law of free addition of random matrices

概率统计学术报告（2019-6-25） Title: Local law of free addition of random matrices Speaker: Dr. Zhigan Bao (鲍志刚) 香港科技大学 Time: 3:00pm, 2019-6-25 Location: 4F ，Sir R. R. Shaw Building，Yuquan Campus, Zhejiang University Abstract: The eigenvalue distribution ofthe sum of two large Hermitian matrices, when ...

12

2019-06

Analysis and Application of Some Numerical Methods for Maxwell’s Equations with Random Inputs

Analysis and Application of Some Numerical Methods for Maxwell’s Equations with Random Inputs 时间：6月15日上午10:00――12:00 地点：逸夫工商楼200-9报告厅报告人: 李继春教授（University of Nevada Las Vegas, USA） Abstract: In this talk, we will present our recent development and analysis of some numerical methods proposed for solving the time-dependent Maxwell's equations with rando...

11

2019-06

Sensitivity Analysis for Photonic Crystal Devices，Nonlinear Diffraction Problems Based on Bound States in the Continuum

时间：2019.6.13 13：30―15：40 地点：欧阳楼316 报告1 题目：Sensitivity Analysis for Photonic Crystal Devices 报告人：胡真（河海大学数学系）时间：13：30-14:30 摘要：Photonic crystals (PhCs) are new kinds ofartificial periodic materials with a period on the wavelength scale. Due totheir unusual ability to control and manipulate light, PhCs have been widelyused to design various photonic crysta...

08

2019-06

The role of Fourier analysis on hyperbolic spaces in sharp geometric inequalities

题目：The role of Fourier analysis on hyperbolic spaces in sharp geometric inequalities 报告人: 陆国震教授，美国康涅狄格大学时间：2019年6月12日下午4:00-5:00 地点：玉泉校区工商楼200-9 摘要：Sharp geometric inequalities play an important role in analysis and differential geometry. In this talk, we will review some recent works on sharp Hardy-Sobolev-Maz'ya inequalities on the upper half spa...

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