Home >> Seminar 

Discontinuous nonlinearity and traveling waves with free boundary
Professor YongJung Kim(KAIST)
Tuesday, July 16th, 2019, 2:00 PM 闵行数学楼401报告厅 

（曹锡华数学论坛）
报告人简介：YongJung Kim obtained his Ph.D. in mathematics from University of Wisconsin at Madison in 1999. His thesis title was `Scaling invariance in hyperbolic conservation laws'. He had his postdoctoral positions at Universities of Minnesota, Toronto, and CaliforniaRiverside. He is currently a full professor at KAIST (Korean Advanced Institute of Science and Technology). His current research interests are focused on diffusion theory, population dynamics, and mathematical modeling.
报告内容简介：
In this talk we consider a bistable nonlinearity with a jump discontinuity at a stable steady state. To handle the discontinuous nonlinearity, we define the weak solution in terms of setvalued integration. The existence, uniqueness, and the comparison property still hold. One of new feature of the problem is finite time extinction and existence of traveling waves with a free boundary.
主持人： 潘兴斌 教授
主办单位：数学科学学院 科技处



