English

On approximation of homeomorphisms of a Cantor set

Dynamical Systems 2011-11-09 v2 Group Theory

Abstract

We continue to study 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 in the paper (S. Bezuglyi, A.H. Dooley, and J. Kwiatkowski, Topologies on the group of homeomorphisms of a Cantor set, ArXiv e-print math.DS/0410507, 2004). 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 conjugate 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].

Keywords

Cite

@article{arxiv.math/0510032,
  title  = {On approximation of homeomorphisms of a Cantor set},
  author = {Konstantin Medynets},
  journal= {arXiv preprint arXiv:math/0510032},
  year   = {2011}
}

Comments

12 pages: typos fixed