Local quaternionic rigidity for complex hyperbolic lattices

Kim Inkang, Bruno Klingler, Pierre Pansu

Let $\Gamma \stackrel{i}{\hookrightarrow }L$ be a lattice in the real simple Lie group $L$. If $L$ is of rank at least 2 (respectively locally isomorphic to $Sp(n,1)$) any unbounded morp…