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math.GR2010★ 2 cited
Integrable measure equivalence and rigidity of hyperbolic lattices
Uri Bader, Alex Furman, Roman Sauer
We study rigidity properties of lattices in hyperbolic n-space with n>2 and of surface groups in the context of (integrable) measure equivalence. The results for lattices in hyperb…
math.GR2010
Efficient subdivision in hyperbolic groups and applications
Uri Bader, Alex Furman, Roman Sauer
We identify the images of the comparision maps from ordinary homology and Sobolev homology, respectively, to the -homology of a word-hyperbolic group with coefficients in comp…