The isomorphism relation for separable C*-algebras
Operator Algebras
2013-01-31 v1
Abstract
We prove that the isomorphism relation for separable C-algebras, and also the relations of complete and -isometry for operator spaces and systems, are Borel reducible to the orbit equivalence relation of a Polish group action on a standard Borel space.
Cite
@article{arxiv.1301.7108,
title = {The isomorphism relation for separable C*-algebras},
author = {George A. Elliott and Ilijas Farah and Vern Paulsen and Christian Rosendal and Andrew S. Toms and Asger Törnquist},
journal= {arXiv preprint arXiv:1301.7108},
year = {2013}
}