题目:Melnikov function for n-dimensional switching systems
时间:2024.06.02,17:00-18:30,
地点:我院 305
摘要:We talk about Melnikov functions for switching differential systems in R^n with two zones separated by a hyperplane. The main result extends some of the known results on the Melnikov theory in dimension and order. To demonstrate the application, we study the maximum number of limit cycles bifurcating from a periodic annulus according to non-smooth centers of the fold-fold type, providing an upper bound for any order piecewise polynomial perturbations.
陈兴武,四川大学数学学院教授、博导,巴渝学者讲座教授,四川省学术带头人,国家级一流课程负责人。主要从事微分方程定性分析的理论及应用研究,在JDE、Nonlinearity、SIAM J Math Anal、Bull Sci Math、Physica D、DCDS等主流国际学术期刊上发表学术论文,部分成果获教育部自然科学一等奖;主持四川省杰青项目、多项国家自然科学基金面上项目、科技部政府间合作交流项目、教育部博士点基金项目,并参与科技部重点研发项目;应邀赴美国明尼苏达大学、西班牙巴塞罗那自治大学等国外学术机构交流访问。