一、主题
The Kepler problem revisited
二、摘要
The Newtonian 2-body problem is also called the Kepler problem in honor of Johannes Kepler (1571-1630) for his discovery of three laws of planetary motion, based on which Newton deduced in 1687 the celebrated law of universal gravitation. It is widely considered a well-understood problem, as solving it with given initial data and proving Kepler's three laws require nothing more than tools from elementary calculus. In this talk I will present a variational approaches which gives us more insights into Keplerian orbits.
三、主讲人简介
陈国璋(Chen, Kuo-Chang)，台湾清华大学数学系教授，曾任台湾清华大学数学系主任。研究领域为动力系统、天体力学及微分方程。研究成果在Annals of Math等顶级数学期刊上发表，获得多项亚娱体育官方网站荣誉及奖励。现担任亚娱体育官方网站期刊Nonlinearity及Discrete and Continuous Dynamical Systems–Series A编委。
四、邀请人
胡锡俊 数学学院教授
五、时间
10月18日（周五）10:00-11:00
六、地点
中心校区知新楼B座924报告厅
七、主办
山东大学数学学院
