Reduction of cocycles and groups of diffeomorphisms of the circle
Representation Theory
2011-03-02 v2 Group Theory
Abstract
We prove two theorems of reduction of cocycles taking values in the group of diffeomorphisms of the circle. They generalise previous results obtained by the author concerning rigidity for smooth actions on the circle of Kazhdan's groups and higher rank lattices.
Keywords
Cite
@article{arxiv.math/0508640,
title = {Reduction of cocycles and groups of diffeomorphisms of the circle},
author = {Andrés Navas},
journal= {arXiv preprint arXiv:math/0508640},
year = {2011}
}