JournalsggdVol. 5, No. 2

Volume 5, No. 2 (2011)

Groups, Geometry, and Dynamics

pp. 207–211
Editorial
pp. 213–230
The rank gradient from a combinatorial viewpoint
Miklós AbértAndrei Jaikin-ZapirainNikolay Nikolov
pp. 231–250
The moduli space of Keum–Naie surfaces
Ingrid BauerFabrizio Catanese
pp. 251–264
Lattices with and lattices without spectral gap
Bachir BekkaAlexander Lubotzky
pp. 265–280
Random pro- $p$ groups, braid groups, and random tame Galois groups
Nigel BostonJordan S. Ellenberg
pp. 281–299
Suzuki groups as expanders
Emmanuel BreuillardBen J. GreenTerence Tao
pp. 301–325
On the difficulty of presenting finitely presentable groups
Martin R. BridsonHenry Wilton
pp. 327–353
The congruence subgroup property for Aut  $F_2$ : A group-theoretic proof of Asada’s theorem
Kai-Uwe BuxMikhail ErshovAndrei S. Rapinchuk
pp. 355–366
Mod- $p$ cohomology growth in $p$ -adic analytic towers of 3-manifolds
Frank CalegariMatthew Emerton
pp. 367–391
On the Arthur–Selberg trace formula for GL(2)
Tobias FinisErez Lapid
pp. 393–444
Interpolating coefficient systems and $p$ -ordinary cohomology of arithmetic groups
Günter Harder
pp. 445–477
Subspace arrangements and property T
Martin Kassabov
pp. 479–499
Grothendieck’s problem for 3-manifold groups
Darren D. LongAlan W. Reid
pp. 501–507
Powers in finite groups
Nikolay NikolovDan Segal
pp. 509–527
Words and mixing times in finite simple groups
Gili SchulAner Shalev
pp. 529–552
Geometric cycles, Albert algebras and related cohomology classes for arithmetic groups
Joachim Schwermer
pp. 553–565
Reduction theory of point clusters in projective space
Michael Stoll