Anti-de Sitter strictly GHC-regular groups which are not lattices

Gye-Seon Lee, Ludovic Marquis

For $d=4,5,6,7,8$, we exhibit examples of ${\mathrm{AdS}}^{d,1}$ strictly GHC-regular groups which are not quasi-isometric to the hyperbolic space ${\mathbb{H}}^d$, nor to any symm…