12-05【廖 刚】管楼1418 吴文俊数学重点实验室Dynamical Systems Seminar

发布者:万宏艳发布时间:2019-11-26浏览次数:172

报告题目:Symbolic extensions for 3-dimensional diffeomorphisms

报告人:廖刚,苏州大学

时间:2019年125日(星期)14:30--15:30

地点:东区管理科研楼1418教室

 

摘要:We prove that every  C^r diffeomorphism with r>1 on a three-dimensional  manifold  admits symbolic extensions, i.e.  topological extensions which are subshifts over a finite alphabet. This answers positively a conjecture of  Downarowicz  and  Newhouse in dimension three.

 


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