中文

$\text{Homeo}_{+}(\mathbb{S}^1)$中紧传递子群与几乎极小子群的同胚共轭类

动力系统 2020-06-29 v2

摘要

Homeo+(S1)\text{Homeo}_{+}(\mathbb{S}^1)表示圆周S1\mathbb{S}^1的保向同胚群。Homeo+(S1)\text{Homeo}_{+}(\mathbb{S}^1)的子群G若拓扑传递且G的任意满足[G:H]=[G: H]=\infty的子群H都不具有此性质,则称其为紧传递的;若其至多具有可数多个非传递点,则称其几乎极小。本文中,我们确定了对于任意整数n2n\geq 2同构于Zn\mathbb{Z}^nHomeo+(S1)\text{Homeo}_{+}(\mathbb{S}^1)的紧传递且几乎极小子群的所有拓扑共轭类。

关键词

引用

@article{arxiv.1811.06218,
  title  = {Topological conjugation classes of tightly transitive subgroups of $\text{Homeo}_{+}(\mathbb{S}^1)$},
  author = {Enhui Shi and Hui Xu},
  journal= {arXiv preprint arXiv:1811.06218},
  year   = {2020}
}

备注

23 pages, 4 figures