偏微分方程系列报告
报告题目: A Singular limit of shallow water dynamics with fast variable coefficients
报告人: 琚强昌 研究员 (北京应用物理与计算数学研究所)
报告摘要:For flows in the equatorial zone, one has to take into account the variations of the Coriolis force since the Coriolis force totally degenerates at the equator. This makes the problem more intricate as one is faced with a singular limit problem with variable coefficient. We study the singular limit of the equatorial shallow-water system which describes the motion of the atmosphere/ocean in the equatorial zone. Based on the convergence result of Durtrifoy, Majda and Schochet [Comm. Pure Appl. Math(2009)], we further obtain the convergence rate estimates of the solutions. This is a recent joint work with Prof. Jiang, Song and Prof. Xu, Xin.
报告时间: 2022.7.7 (周四) 下午 3:00-4:00
报告地点: 腾讯会议:860 974 465, 密码:0707
报告人简介: 琚强昌,北京应用物理与计算数学研究所研究员,博士生导师。河南师范大学获学士和硕士学位,2003年获中科院数学所博士学位,师从肖玲研究员。2003-2005年在德国和意大利从事博士后研究。研究域为:可压缩流体力学方程的数学理论。部分研究工作发表在Advances in Mathematics., Archive for Rational Mechanics and Analysis和Communications in Mathematical Physics, JMPA 等国际权威学术期刊上,主持多项国家自然科学基金项目,包括一项重点项目和一项中国-以色列合作研究项目, 2017年获教育部自然科学奖二等奖。