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报告题目Accelerated propagation induced by nonlocal dispersal in shifting environments

王佳兵  中国地质大学(武汉)

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报告时间:2024512 15:30-16:30

活动地点行政辅楼235会议室

报告人简介王佳兵,中国地质大学(武汉)数理学院副教授、博士生导师。20186月博士毕业于兰州大学(与加拿大纽芬兰纪念大学联合培养)主要研究领域为微分方程与动力系统,尤其关注扩散系统的传播理论及应用已在JNSJDE、JDDE、DCDS、Proc. Roy. Soc. Edinburgh Sec. A、Proc. Amer. Math. Soc.、Stud. Appl. Math.、中国科学数学(英文版)等期刊发表系列学术论文。主持完成1项国家自然科学基金青年项目,目前主持国家自然科学基金面上项目、湖北省自然科学基金面上项目、广东省自然科学基金面上项目各1项。

报告摘要Heterogeneous shifting environment has a solid background from climate change, pathogen spread in host, genetic shift and multi-stage invasion. In this talk, I will report some recent results on the forced waves and spreading properties (i.e, finite speed and accelerating propagation) for the KPP equations and reducible cooperation systems with nonlocal dispersal in shifting environments. In particular, we find a new propagation phenomenon which says that in the shifting environments, the solutions of such nonlocal equations with exponentially unbounded kernels spread to the left and right at different propagation speeds (maybe linear or accelerated).

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