4 problems

Farb's quasi-isometric rigidity conjecture. There exists a homomorphism

Quasi-isometric rigidity conjecture. 1. Every self quasi-isometry of $A_\Gamma$ is at bounded distance from an automorphism of the Cayley complex $C_\Gamma$ if and only if $\Gamma$…

Quasi-isometric rigidity conjecture. If $\Gamma$ is the fundamental group of a graph of groups with a JSJ decomposition in which all non-cyclic vertex groups are rigid free groups,…

A purely real Heintze group is a simply connected solvable Lie group of the form $N\rtimes\mathbf{R}$, where $N$ is simply connected and nilpotent and the action of $\mathbf{R}$ ha…