The Baum-Connes conjecture for extensions
K-Theory and Homology
2026-02-25 v2
Abstract
This note provides a counterexample showing that the assumptions that Chabert and Echterhoff have imposed in their permanence property of the Baum-Connes conjecture for group extensions cannot be simplified.
Cite
@article{arxiv.2508.05726,
title = {The Baum-Connes conjecture for extensions},
author = {Ralf Meyer},
journal= {arXiv preprint arXiv:2508.05726},
year = {2026}
}
Comments
2 pages