Some noncoherent, nonpositively curved Kähler groups

Pierre Py

If $\Gamma$ is any nonuniform lattice in the group $\mathrm{PU}(2,1)$, let $\overline{\Gamma }$ be the quotient of $\Gamma$ obtained by filling the cusps of $\Gamma$ (i.e. killing the center of parabolic su…