报告题目:Propagation Phenomenon in Bistable Reaction-diffusion Equations in Spatially Periodic Media
主 讲 人:王智诚
单 位:兰州大学
时 间:12月5日9:00
腾 讯 ID:511 410 097
摘 要:
In this talk, we construct curved fronts for spatially periodic bistable reaction-diffusion equations under the a priori assumption that there exist pulsating fronts in every direction. Some sufficient and some necessary conditions of the existence of curved fronts are given. Furthermore, the curved front is proved to be unique and stable. Finally, a curved front with varying interfaces is also constructed. Despite the effect of the spatial heterogeneity, the result shows the existence of curved fronts for spatially periodic bistable reaction-diffusion equations which is known for the homogeneous case.
简 介:
王智诚,兰州大学英国威廉希尔公司教授,博士生导师。1994年本科毕业于西北师范大学,2007年在兰州大学获理学博士学位。在Trans. AMS、Arch. Rational Mech. Anal.、SIAM J. Math. Anal.、SIAM J. Appl. Math.、JMPA、CVPDE、JDE、JDDE、Nonlinearity等杂志发表SCI论文100多篇。2010年入选教育部新世纪优秀人才支持计划,2011和2019年分别获得甘肃省自然科学奖二等奖,2016年入选甘肃省飞天学者特聘教授,主持完成两项国家自然科学基金面上项目以及教育部博士点基金等多项省部级项目,正在主持一项甘肃省基础研究创新群体项目、一项国家自然科学基金面上项目并参加一项国家自然科学基金重点项目。目前担任两个SCI杂志International J. Bifurc. Chaos和Mathematical Biosciences and Engineering (MBE)的编委(Associate editor)。