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Yves Benoist 《Geometriae Dedicata》2006,122(1):109-134
For any m ≥ 3, we construct properly convex open sets Ω in the real projective space
whose Hilbert metric is Gromov hyperbolic but is not quasiisometric to the hyperbolic space
. We show that such examples cannot exist for m = 2.
Some of our examples are divisible, i.e. there exists a discrete group Г of projective transformations preserving Ω with a
compact quotient Г\Ω. The open set Ω is strictly convex but the group Г is not isomorphic to any cocompact lattice in the
isometry group of
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