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上海交通大学陶有山教授学术报告通知
发布时间 : 2023-08-18     点击量:


题目:Critical mass for infinite-time blow-up a chemotaxis model with indirect signal production

报告人:陶有山教授(上海交通大学)

摘要:This talk addresses the Neumann initial-boundary problem for a chemotaxis system with indirect signal production, which was proposed by Strohm, Tyson and Powell in 2013 to describe the spread and aggregative behavior of the Mountain Pine Bettle (MPB) in a forest habitat. It is shown that this problem exhibits a novel critical mass phenomenon with regard to the formation of singularities, which drastically differs from the well-known threshold property of the classical Keller-Segel system, in that it refers to blow-up in infinite time rather than finite time. The talk is based a joint work with Michael Winkler (Paderborn).


时间:2023年8月24日(周四)下午15:00-16:00

地址:腾讯会议571 107 910


简介:陶有山,上海交通大学数学科学学院特聘教授。曾先后于南京大学(1986)、复旦大学(1992)、苏州大学(1995)获理学学士、硕士和博士学位。主要研究方向为偏微分方程,特别是趋化交叉扩散方程,已在数学期刊 (其中包括:JEMS, PLMS, AIHPC, JFA, SIAP, SIMA, IP, JMB, JNS)上发表论文100余篇,MR引用4500余次;2018-2022年连续5年入选科睿唯安“全球高被引科学家”。现担任国际数学期刊Nonlinear Analysis: RWA和EMS Surveys in Mathematical Sciences (EMSS) 的编委。



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