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math.DS2011
Notes on the Schreier graphs of the Grigorchuk group
Yaroslav Vorobets
The paper is concerned with the space of the marked Schreier graphs of the Grigorchuk group and the action of the group on this space. In particular, we describe an invariant set o…
math.GR2011★ 5 cited
Notes on the commutator group of the group of interval exchange transformations
Yaroslav Vorobets
We study the group of interval exchange transformations and obtain several characterizations of its commutator group. In particular, it turns out that the commutator group is gener…