学术报告
-
29
2017-06
Steady boundary layer expansion - 郭岩教授 (美国布朗大学)题目：Steady boundary layer expansion 报告人: 郭岩教授 (美国布朗大学) 报告摘要： We review recent work on validity of Prandtl layer expansion for the steady Navier-Stokes equations in the inviscid limit. 6月29日（周四）下午3:30--4:30 地点：首都师大新教二楼827 教室 ...
-
29
2017-06
高维守恒律方程光滑解全局存在的充要条件及相关问题-杨小舟教授(武汉物数所)题目：高维守恒律方程光滑解全局存在的充要条件及相关问题 报告人: 杨小舟教授(武汉物数所) 6月29日（周四）上午9:30--10:30 地点：首都师大新教二楼527 教室 欢迎研究生积极参加！
-
29
2017-06
Curvature estimates of the Ricci flow based on Ricci curvature-Chih-Wei Chen 陳志偉 (National Center for Theoretical Sciences)题目：Curvature estimates of the Ricci flow based on Ricci curvature 报告人: Chih-Wei Chen 陳志偉 (National Center for Theoretical Sciences) Abstract: We construct a uniform local bound of curvature operator from local bounds of Ricci curvature and inje...
-
28
2017-06
Stability problem on the 2D Boussinesq equations with partial dissipation - Professor Jiahong Wu (Oklahoma State University)题目：Stability problem on the 2D Boussinesq equations with partial dissipation 报告人: Professor Jiahong Wu (Oklahoma State University) 报告摘要： This talk focuses on the stability problem on perturbations near some special steady states of the 2D B...
-
28
2017-06
Longtime Behavior of Solutions of a SIS Epidemiological Model- Prof. Xinfu Chen (University of Pittsburgh, USA)题目：Longtime Behavior of Solutions of a SIS Epidemiological Model 报告人: Prof. Xinfu Chen (University of Pittsburgh, USA) Abstract： In this mini-course we investigate a SIS epidemiological model, proposed to explain an epidemiological phenomen...
-
27
2017-06
Efficient Approximations for the Online Dispersion Problem-Jing Chen (Assistant Professor, Stony Brook University)题目：Efficient Approximations for the Online Dispersion Problem 报告人: Jing Chen (Assistant Professor, Stony Brook University) 报告人简介： Jing Chen is an Assistant Professor in the Department of Computer Science at Stony Brook University. She is als...
-
26
2017-06
Wave propagation in predator prey systems-蔡志强教授（台湾师范大学）题目：Wave propagation in predator prey systems 报告人:蔡志强教授（台湾师范大学） Abstract: We study a class of predator–prey systems of reaction–diffusion type. Specifically, we are interested in the dynamical behaviour for the solution with the initial dis...
-
26
2017-06
A free boundary problem of moving spike for Keller-Segal chemotactic model-Prof. Xinfu Chen (University of Pittsburgh, USA)题目：A free boundary problem of moving spike for Keller-Segal chemotactic model 报告人：Prof. Xinfu Chen (University of Pittsburgh, USA) 摘要：In this talk a fundamental biological model, the Keller-Segel model will be discussed. Among many interesting ...
-
26
2017-06
半离散KP系统的若干结果-张大军教授 （上海大学数学系）题 目：半离散KP系统的若干结果 报告人：张大军教授 （上海大学数学系） 摘 要：KP方程是Sato理论已至整个可积理论中的重要模型。此报告将围绕含有一个离散自变量的标量KP方程族，主要介绍两项内容。1）基于Lax三重组的方法建立半离散标量KP方程族、它们的Hamilton结构、Hamiltonian的Lie代数、连续极限等；2）半离散标量KP方程族的平方本征函数对称、对称约束、与低维半离散系统的联系。离散变量的引入往往产生新奇之处。希望此报告介绍的方法与结果对于进一步认识离散的...
-
26
2017-06
All genus open-closed mirror symmetry for toric Calabi-Yau 3-folds/ 3-orbifolds-宗正宇教授（清华大学）题 目：All genus open-closed mirror symmetry for toric Calabi-Yau 3-folds/ 3-orbifolds 报告人：宗正宇教授（清华大学） Abstract: In this talk, I will discuss the connection between the all genus open-closed Gromov-Witten invariants of a toric Calabi-Yau 3-fold/3...