2 problems

Let $\Gamma$ be a geometrically finite group, let $\sigma$ be a representation parameter, let $\lambda\in{\mathfrak a}_{\mathbb C}^*$, and let $\varphi$ be the auxiliary parameter…

Let $n\geq 1$ and let $\Gamma$ be a discrete and torsion-free subgroup of $\mathrm{PU}(n,1)$ acting on the complex hyperbolic space $\mathbb{H}^{n}_{\mathbb{C}}$. Define the critic…