Higher-rank GBS groups: non-positive curvature and biautomaticity
arXiv:2502.06974 · doi:10.1007/s10711-025-01037-y
Abstract
We characterise when a rank generalised Baumslag-Solitar group is CAT(0) and when it is biautomatic.
7 pages, v2: Some minor changes in the introduction; v3: Some minor changes according to the referee's comments. To appear in Geometriae Dedicata