北航微分几何讨论班(2021秋第10讲) 题目:Discrete Ricci curvatures of graphs: The computation side报告人:刘世平 教授(中国科技大学)时间:2021年11月16日 10:00-11:00腾讯会议会议号:982 7145 2005摘要:We concern in this talk the computation of Bakry-\'Emery curvature and Ollivier/Lin-Lu-Yau curvature of graphs. It is recently discovered that computing Bakry-\'Emery curvatures at a vertex of a gr...
数学科学学院学术报告--- 分析与偏微分方程讨论班(2021秋季第6讲) 题目: Several Adams inequalities and the existence and nonexistence of the extremals with L^2 perturbation terms报告人: 朱茂春 副教授 (江苏大学)时间:2021-11-15 14:30-15:30 (周一下午) 地点: 腾讯会议 ID:174 751 464 腾讯会议链接:https://meeting.tencent.com/dm/xQNEJGBBQkpM摘要: In this talk, I will introduce our recent work on sev...
数学科学学院学术报告--- 分析与偏微分方程讨论班(2021秋季第5讲)题目: Global stability and non-vanishing vacuum state phenomena of large solutions to 3D isentropic compressible Navier-Stokes equations报告人: 姚磊 教授 (西北大学)时间: 2021-11-08 14:30-15:30 (周一下午) 地点: 腾讯会议 ID:870 379 223 腾讯会议链接:https://meeting.tencent.com/dm/1WCIVGdZ5jZU摘要: We investigate the global stabil...
微分几何讨论班(2021秋第8讲)题目:On the breathers of the geometric flows报告人:程 亮 副教授(华中师范大学)时间:2021年11月2日 10:00-11:00腾讯会议会议号:982 7145 2005摘要:In this talk, we will first introduce the notations of the breathers and solitons of the geometric flows. Then we talk about our works about the no breather theorems. The no breather theorem was first proved by Perelman f...
数学科学学院学术报告--- 分析与偏微分方程讨论班(2021秋季第4讲)题目: On the dynamics of semilinear wave equations with energy supercritical growth报告人: 杨建伟 副教授 (北京理工大学)时间: 2021-11-01 10:30-11:30 (周一上午) 地点: 腾讯会议 ID:316 347 045 腾讯会议链接:https://meeting.tencent.com/dm/ptu3DotawvC5 摘要: We study the longtime dynamics of the solutions of semilinear wave equations ...