On the moduli space of quadruples of points in the boundary of complex hyperbolic space

Heleno Cunha, Nikolay Gusevskii

We consider the space $\mathcal{M}$ of ordered quadruples of distinct points in the boundary of complex hyperbolic $n$-space, $\mathrm{ch}n,$ up to its holomorphic isometry group ${\rm PU…