On approximation of homeomorphisms of a Cantor set

被引:6
|
作者
Medynets, Konstantin [1 ]
机构
[1] Inst Low Temp Phys, Dept Math, UA-61003 Kharkov, Ukraine
关键词
borel automorphisms of a Cantor set; homeomorphism of a Cantor set; Rokhlin lemma; full group of a homeomorphism; BOREL; AUTOMORPHISMS; TOPOLOGIES; DYNAMICS; SYSTEMS;
D O I
10.4064/fm194-1-1
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We continue the study of topological properties of the group Homeo(X) of all homeomorphisms of a Cantor set X with respect to the uniform topology tau, which was started by Bezuglyi, Dooley, Kwiatkowski and Medynets. We prove that the set of periodic homeomorphisms is tau-dense in Homeo(X) and deduce from this result that the topological group (Homeo(X), tau) has the Rokhlin property, i.e., there exists a homeomorphism whose conjugacy class is tau-dense in Homeo(X). We also show that for any homeomorphism T the topological full group [[T]] is tau-dense in the full group [T].
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页码:1 / 13
页数:13
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