学术报告
-
09
2020-01
Kirchhoff型方程的Fucik谱 - 梁占平教授 (山西大学数学学院)题目: Kirchhoff型方程的Fucik谱 报告人:梁占平教授(山西大学数学学院) 摘要: In this talk, I will present our recent results about the Fucik spectrum for Kirchhoff type problem. The Fucik spectrum is significant in many applications, for example, oscillations of suspens...
-
09
2020-01
拟线性椭圆方程解的存在性 - 李安然 副教授(山西大学数学学院)题目: 拟线性椭圆方程解的存在性 报告人:李安然副教授(山西大学数学学院) 摘要: 拟线性薛定谔方程具有浓厚的数学物理背景. 在非线性项只在零点附近满足一定增长性约束的假设下,我们利用变分法和椭圆正则性理论研究几类拟线性薛定谔方程驻波解的存在性. 时间: 2019年1月9日(周四)上午10:00--11:00 地点:565net必赢客户端教二楼608教室 联系人:苏加宝、田如顺 欢迎参加!
-
09
2020-01
565net必赢客户端第二届学术交流会(2020年)565net必赢客户端第二届学术交流会(2020年) 一、日程安排 1、会议日期:2020年1月9日(周四) 2、会议地点:565net必赢客户端校本部教二楼221 二、报告时间 上午 主持人:李海梁 8:30-9:30 报告人:惠昌常 题目:代数与导出等价 9:30-10:30 报告人:徐飞 题目:Strong approximation with brauer-manin obstruction for a family of norm varieties 1...
-
09
2020-01
Boundary spiky and layer formation in the Keller-Segel model - 王治安 教授(香港理工大学)题目:Boundary spiky and layer formation in the Keller-Segel model 报告人:王治安 教授(香港理工大学) Abstract : In this talk, we shall report some progress made on global well-posedness and asymptotic behavior of solutions to the singular Keller-Segel mode...
-
07
2020-01
BPS invariants for Seifert manifolds from Chern-Simons matrix model - Prof. Hee-Joong Chung(清华大学)题目:BPS invariants for Seifert manifolds from Chern-Simons matrix model 报告人:Prof. Hee-Joong Chung(清华大学) Abstract: In this talk, I first provide an introduction to the homological block of the Witten-Reshtikhin-Turaev (WRT) invariants for closed 3-...
-
07
2020-01
Analytic continuation of hypergeometric functions in the resonant case - Prof. Emanuel Scheidegger(北京大学)题目:Analytic continuation of hypergeometric functions in the resonant case 报告人:Prof. Emanuel Scheidegger(北京大学) Abstract: We study the analytic continuation of solutions to the hypergeometric differential equation of order n to the third regular sin...
-
07
2020-01
A review of discrete Boussinesq-type equations - 张大军 教授(上海大学)题目:A review of discrete Boussinesq-type equations 报告人:张大军 教授(上海大学) Abstract: Discrete Boussinesq-type equations are known as those two-dimensional lattice equations with third-order dispersion relations. In one-component form there are (potential)...
-
07
2020-01
一类由定义集构造的线性码的重量分布 - 杨晶 教授(清华大学)题目:一类由定义集构造的线性码的重量分布 报告人:杨晶 教授(清华大学) Abstract: 近年来,Ding等人提出了由定义集来构造线性码的方法。通过选择合适的定义集,可以生成许多已知的线性码。基于这种构造,目前已经构造出来了许多好的线性码。本报告中,我们选取了三类定义集, 提出了有限域上的三类线性码。进一步, 我们利用指数和的方法决定了上述码的重量分布和完全重量分布。我们的结果表明上述码是至多6-重的线性码。此外,这些线性码还可以用来构建具有良好存取结构的密钥分享体制。 ...
-
04
2020-01
Continued Gravitational Collapses for Gaseous Stars - Yan Guo (Division of Applied Mathematics)题目:Continued Gravitational Collapses for Gaseous Stars 报告人:Yan Guo (Division of Applied Mathematics) Abstract : We construct gravitational collapsing solutions to the Euler-Poisson system for /gamma<4/3. The densities blow up at the origin,...
-
03
2020-01
L^p Estimates of Singular Integrals and Elliptic Equations - 李东升 教授(西安交通大学)题目:L^p Estimates of Singular Integrals and Elliptic Equations 报告人:李东升 教授(西安交通大学) Abstract: This is a series of talks. We will not only go over all the classical results of L^p estimate, but also present some new developments in this field. The de...