%0 Journal Article
%T An example of a solid von Neumann algebra
%A Narutaka Ozawa
%J Mathematics
%D 2008
%I arXiv
%X We prove that the group-measure-space von Neumann algebra $L^\infty(T^2) \rtimes SL(2,Z)$ is solid. The proof uses topological amenability of the action of $SL(2,Z)$ on the Higson corona of $Z^2$.
%U http://arxiv.org/abs/0804.0288v1