Rotation and entropy for torus maps
报告专家： 朱玉峻（厦门大学）
报告时间：7月26日 15:00-16:00
报告地点：数学学院西303报告厅
报告摘要：In this talk, we consider the rotation and entropy for thetorus maps. The notion of rotational entropy is introduced and it is shown that the rotational entropy is a homotopy invariant. For the random torus maps, we show that the rotation set is a random compact and connected set.
![[lecture]0726微分方程--朱玉峻-01.jpg](http://tianyuan.scu.edu.cn/upload/default/20230723/%5Blecture%5D0726%E5%BE%AE%E5%88%86%E6%96%B9%E7%A8%8B--%E6%9C%B1%E7%8E%89%E5%B3%BB-01.jpg "[lecture]0726微分方程--朱玉峻-01.jpg")