报告人 廖刚（北京大学）

题目1： The continuity properties of entropy（I）Upper semi-continuity and hyperbolicity

摘要 


 
报告时间：2015.11.10 14：00-15：00
 
报告地点  维格堂319
 
We will show that entropy is upper semi-continuous for diffeomorphisms away from tangencies and dynamical systems with nonuniform hyperbolicity.
 
 
 
 
报告人 廖刚（北京大学）
题目2： The continuity properties of entropy（II）Upper semi-continuity and differentiability
报告时间：2015.11.10 15：00-16：00

报告地点  维格堂319 
 
摘要
The order of differentiability reflects the distribution of orbits in dynamical systems. We will use the derivatives to express the upper semi-continuity moduli of entropy.