Forester's lattices and small non-Leighton complexes
Natalia S. Dergacheva, Anton A. Klyachko·2024-07-09·via math.CO updates on arXiv.org
We construct two CW-complexes $K$ and $L$ admitting a common, but not finite common, covering, where $K$ is homeomorphic to a complex with a single 2-cell.