%0 Journal Article %A Healy, Brendan Burns %T Rigidity Properties for Hyperbolic Generalizations %J Canadian mathematical bulletin %D 2020 %P 66-76 %V 63 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/S0008439519000377/ %R 10.4153/S0008439519000377 %F 10_4153_S0008439519000377