JournalsggdVol. 2, No. 4

Groups, Geometry, and Dynamics

Volume 2, No. 4 (2008)

Groups Geom. Dyn. cover

pp. 481–498
Finiteness of arithmetic hyperbolic reflection groups
Ian AgolMikhail BelolipetskyPeter StormKevin Whyte
pp. 499–593
Entropy and isoperimetry for linear and non-linear group actions
Misha Gromov
pp. 595–617
Uniform non-amenability, cost, and the first ℓ<sup>2</sup>-Betti number
Russell LyonsMikaël PichotStéphane Vassout