报告题目:Dynamic of solutions for the D-S system with a defocusing perturbation
报 告 人:朱世辉 教授(四川师范大学)
报告时间:2025年1月2日(星期四)9:00—10:00
报告地点:线上报告 会议ID:863 1094 3799
校内联系人:曹杨 教授 联系方式:84708351-8316
报告摘要:This talk studies the sharp criteria of blow-up and global existence of solutions to the DaveyStewartson system with a defocusing perturbation, and then the open problem proposed by Gan and Zhang (Commun. Math. Phys., 283(1), 93-125, 2008) is solved. The lower bound rate of blow-up solutions for the Davey-Stewartson system is obtained by overcoming the loss of scaling invariance. Finally, a sharp criteria of the existence of stable standing waves is obtained by constructing cross-constraint flows and variational problems. This work joint with Guoyi Fu.
报告人简介:朱世辉,四川师范大学数学科学学院教授、博士生导师,四川省天府万人计划—天府科技菁英,四川省学术和技术带头人后备人选。已主持国家自然科学基金项目3项,教育部博士点基金项目(新教师),四川省杰出青年基金等多个项目。主要从事非线性Schrodinger方程爆破解动力学性质研究,已在JDE,JMP,JDDE,DPDE,中国科学等国内外专业学术刊物上发表论文20余篇, 并多次被国内外专家引用,SCI他引280余次,包括国际著名学者 G. Fibich的专著(《The Nonlinear Schrodinger Equation: Singular Solutions and Optical Collapse》,Springer, 2015)等, 2篇论文入选ESI高被引。主持项目曾获四川省科技进步三等奖(2022),参与项目曾获四川省科技进步二等奖(2010),四川省高等教育优秀教学成果二等奖(2018)。