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07

2019-08

Classification of hyperbolic component with bounded escape

报告题目：Classification of hyperbolic component with bounded escape 报告人：Dr. Yusheng Luo (Stony Brook University, US.) 时间：2019年8月9日（星期五）上午11：00-12：00 地点：工商楼200-9 摘要： A hyperbolic component is said to have bounded escape if there is a sequence of rational maps which is degenerating as conjugacy classes, but for any period p, the multipliers of periodic points of p...

03

2019-08

Four precious jewels in graph theory and combinatorics

Title: Four precious jewels in graph theory and combinatorics. Speaker: Professor Peter Cameron (St. Andrew University, UK) Venue: 200-9, Sir Run Run Shaw Business Building Time: Lectures 1-2, 9:30-11:30, Aug 6, Tuesday, 2019 Lectures 3-4, 9:30-11:30, Aug 7, Wednesday, 2019 Abstract: In the course of these lectures, I will speak about four remarkable objects: 1. the Erdos�R ˝ enyi ′ random...

25

2019-07

A high order semi-implicit IMEX WENO scheme for all-Mach Euler system

A high order semi-implicit IMEX WENO scheme for all-Mach Euler system 报告人： Tao Xiong(School of Mathematical Sciences, Xiamen University) 时间：2019年7月28日上午10：00――11：00 地点：逸夫工商楼200-9 摘要：In this talk, we will propose a high order scheme for the all-Mach Euler equations. Material waves are treated explicitly, while acoustic waves are treated implicitly, thus a...

20

2019-07

Quadrature by Two Expansions: Evaluating Laplace Layer Potentials using Complex Polynomial and Plane Wave Expansions

Title: Quadrature by Two Expansions: Evaluating Laplace Layer Potentials using Complex Polynomial and Plane Wave Expansions 报告人：huang jingfang(University of North Carolina at Chapel Hill) 时间：2019年7月23日(周二)早上10：00――11：00 地点：逸夫工商楼200-9 Abstract: The recently developed quadrature by expansion (QBX) technique accurately evaluates the layer potentials with singular...

16

2019-07

CT图像重建的正则化方法研究

报告题目：CT图像重建的正则化方法研究报告人：曾理教授（重庆大学）时间：2019年7月18日（星期四）下午15:00-16:00 地点：工商楼200-9 报告人简介：曾理, 男，1959年出生，博士，重庆大学数学与统计学院二级教授，博士生导师。中国体视学学会（一级学会）理事，国际电气与电子工程师协会（IEEE）高级会员，国际SCI期刊学术编辑。1986年四川师范大学数学系本科毕业获理学学士学位； 1989年大连理工大学应用数学...

15

2019-07

Algebraic twists of GL(3)-modular forms

Title: Algebraic twists of GL(3)-modular forms Speaker: Dr. Yongxiao Lin (école polytechnique fédérale de Lausanne) Time: 10:00-12:00 a.m., August 2 Location: Room 200-9, Sir Shaw Run Run Business Administration building, School of Mathematical Sciences, Yuquan Campus Abstract: The subconvexity problem for GL(1)-twists of a fixed GL(3) cusp form is equivalent to establishing that Dirichle...

12

2019-07

A Series of Talks on Algebras

(1) Title: Richardson elements for seaweed Lie algebras of finite types. Speaker: Professor Bernt Tore Jensen (Norwegian University of Science and Technology) Time: 3:00-4:00pm July 19, 2019 (Friday) Place: Mathematics Building 200-9 Abstract: Let g be a reductive Lie algebra over the field of complex numbers. A Lie subalgebra q of g is called a seaweed Lie subalgebra if it ...

11

2019-07

Compressive Sensing for Graph Clustering and Numerical Solution of PDE

10

2019-07

Moments of Fourier Coefficients of Symmetric Power Representations with Applications

Title: Moments of Fourier Coefficients of Symmetric Power Representations with Applications Speaker: Dr. Liyang Yang (California Institute of Technology) Time: 10:00-12:00am, July15 Location: Room 200-9, Sir Shaw Run Run Business Administration building, School of Mathematical Sciences, Yuquan Campus Abstract: In this talk, In this talk, we give nontrivial upper bounds for certai...

08

2019-07

High order symmetric direct discontinuous Galerkin method for elliptic interface problems with fitted mesh

High order symmetric direct discontinuous Galerkin method for elliptic interface problems with fitted mesh 报告人： Professor Jue Yan (Iowa State University) 时间：2019年7月9日（周二）上午10：00――12：00 地点：逸夫工商楼200-9 Abstract: In this talk I will discuss the newly developed symmetric direct discontinuous Galerkin (DDG) method for the elliptic interface problems ass...

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