科学研究
学术报告
The Quasi-Isometry Group of the Real Line cannot Act Effectively on the Line
邀请人:范遥
发布时间:2024-03-25浏览次数:

题目:The Quasi-Isometry Group of the Real Line cannot Act Effectively on the Line

报告人:叶圣奎 副教授 (上海纽约大学)

时间:2024年3月28日 星期四 9:30—10:30

地点:致远楼108室

摘要:We show that the group of orientation-preserving quasi-isometries of the real line is a left-orderable, non-simple group, but cannot act effectively on the real line by homeomorphisms. If time permits, we will discuss some attempts to the case of R^2. This is a joint work with Yanxin Zhao.

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