Geometric finiteness in paracomplex hyperbolic spaces

Tianqi Wang, Zhufeng Yao, Tengren Zhang

We develop a framework for studying discrete subgroups of $\mathsf{PGL}(d+1,\mathbb{R})$ via the paracomplex hyperbolic space ${\mathbb{H}}_{\tau }^d$, a rank-$1$ pseudo-Riemannian symmetr…