The group of quasi-isometries of the real line cannot act effectively on the line

The group of quasi-isometries of the real line cannot act effectively on the line
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实线的拟等距群不能有效地作用于线上

DOI:
10.2140/agt.2023.23.3835
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发表时间:
2022
期刊:
Algebraic & Geometric Topology
影响因子:
--
通讯作者:
Yanxin Zhao
Yanxin Zhao
中科院分区:
--
文献类型:
--
作者:
Shengkui Ye;Yanxin Zhao

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证明了实直线的保定向拟等距图的群是左可序的非单群,它不能有效地作用在实直线上。
We prove that the group $\mathrm{QI}^{+}(\mathbb{R})$ of orientation-preserving quasi-isometries of the real line is a left-orderable, non-simple group, which cannot act effectively on the real line $\mathbb{R}.$
1-流形上不存在微分同胚群的奇异作用
DOI: 10.4171/ggd/658
发表时间: 2023
期刊: and Dynamics
影响因子: --
作者:
Chen, Lei;Mann, Kathryn
通讯作者: Mann, Kathryn