Volume 82, No. 1 (2007)
Commentarii Mathematici Helvetici
pp. 1–37 Permutation complexes for profinite groupsPeter Symonds
pp. 39–60 Invariant d'Hermite isotrope et densité des réseaux orthogonaux lorentziensChristophe Bavard
pp. 61–85 CAT(0) and CAT(-1) dimensions of torsion free hyperbolic groupsNoel BradyJohn Crisp
pp. 87–131 Isometric immersions into 3-dimensional homogeneous manifoldsBenoît Daniel
pp. 133–173 The barycenter method on singular spacesPeter Storm
pp. 175–195 A pinching theorem for the first eigenvalue of the Laplacian on hypersurfaces of the Euclidean spaceBruno ColboisJean-Francois Grosjean
pp. 197–233 Rigidity theory for matroidsMike DevelinJeremy L MartinVictor Reiner
pp. 235–236 Erratum to "The topology at infinity of Coxeter groups and buildings"Michael W. DavisJohn Meier