应用数学系学术报告Sharp bounds for the first two eigenvalues of an exterior Steklov eigenvalue problem 熊昌伟 (四川大学)报告时间:14:00-15:00,2022-12-13(星期二)报告地点: 线上会议(腾讯会议号: 366-213-339)内容简介: In this talk we will discuss a Steklov eigenvalue problem on an exterior Euclidean domain. We will present sharp lower and upper bounds for its first eigenvalue under vario...
应用数学系学术报告Well-posedness of classical solutions to the vacuum free boundary problem of theviscous Saint-Venant system for shallow waters 王跃循,兰州大学(教授) 报告时间:10:00-11:00,2022-12-12(星期一上午)报告地点: 线上会议(腾讯会议号: 573-168-377)https://meeting.tencent.com/dm/EqB61eXqQg5w内容简介: We establish the local-in-time well-posedness of classical solutions to the vac...
数学科学学院学术报告--- 分析与偏微分方程讨论班(2022秋季第12讲)题目: Asymptotics and uniqueness of positive solutions of the Lane-Emden system in planar domains报告人: 陈志杰 教授 (清华大学)时间:2022-12-13 9:00-10:00 (周二上午) 地点: 腾讯会议 ID:745-860-556 腾讯会议链接:https://meeting.tencent.com/dm/XzMvY623QLOW摘要: In this talk, I will talk about the asymptotics and uniquen...
数学科学学院学术报告--- 分析与偏微分方程讨论班(2022秋季第11讲)题目: On the existence of co-rotating vortices for the gSQG equation报告人: 詹伟城 副教授 (厦门大学)时间:2022-12-07 16:00-17:00 (周三下午) 地点: 腾讯会议 ID:545-314-171 腾讯会议链接:https://meeting.tencent.com/dm/sU6CG7tMHJCt摘要: In this talk, I will introduce some recent results of the existence of co-rotating vortices ...
数学科学学院学术报告 Adaptive Iterative Hard Thresholding for Least Absolute Deviation Problems with Sparsity Constraints沈益(浙江理工大学) 报告时间:2022年11月25日 星期五报告地点:腾讯会议 166-386-244报告摘要:Constrained Least absolute deviation (LAD) problems often arise from sparse regression of statistical prediction and compressed sensing literature. It is challenging to solve LAD prob...