The Dixmier problem, lamplighters and Burnside groups, (with N. Ozawa)
J. of Functional Analysis, to appear, 4 pages | pdf | abstract.
A lattice in more than two Kac–Moody groups is arithmetic, (with P.-E. Caprace)
preprint (2008), 19 pages | pdf | abstract.
Non-unitarisable representations and random forests, (with I. Epstein)
IMRN, to appear, 12 pages | pdf | abstract.
Decomposing locally compact groups into simple pieces, (with P.-E. Caprace)
preprint (2008), 19 pages | pdf | abstract.
Isometry groups of non-positively curved spaces: discrete subgroups, (with P.-E. Caprace)
preprint (2008), 47 pages | pdf | abstract.
Isometry groups of non-positively curved spaces: structure theory, (with P.-E. Caprace)
preprint (2008), 39 pages | pdf | abstract.
Some properties of non-positively curved lattices, (with P.-E. Caprace)
C. R. Acad. Sci. Paris, Ser. I 346 No. 15–16 (2008), 857–862 | pdf | doi | abstract.
Strong law of large numbers with concave moments, (with A. Karlsson)
not for publication (2008), 2 pages | pdf | abstract.
On the bounded cohomology of semi-simple groups, S-arithmetic groups and products,
Crelle's Journal, to appear, 33 pages | pdf | abstract.
Product groups acting on manifolds, (with A. Furman)
Duke Math. Journal 148 No. 1 (2009), 1–39 | pdf | abstract.
Bounds for cohomology classes, (with M. Burger, A. Iozzi and A. Wienhard)
In: Guido's Book of conjectures, L'Enseignement Mathématique 54 (2008), 52–54 | pdf.
Vanishing up to the rank in bounded cohomology,
Math. Research Letters 14 No. 4 (2007), 681–687 | pdf | abstract.
Orbit equivalence rigidity and bounded cohomology, (with Y. Shalom)
Annals of Mathematics 164 No. 3 (2006), 825–878 | pdf | abstract.
Superrigidity for irreducible lattices and geometric splitting,
Journal Amer. Math. Soc. 19 No. 4 (2006), 781–814 | pdf | doi | ArXiv | abstract.
An invitation to bounded cohomology
Proceedings of the ICM 2006, Volume II, 1183–1211 | pdf | abstract.
Amenable actions, free products and a fixed point property, (with Y. Glasner)
Bull. London Math. Soc. 39 No. 1 (2007), 138–150 | pdf | doi | ArXiv | abstract.
Arithmeticity vs. non-linearity for irreducible lattices,
Geom. Ded. 112 No. 1 (2005), 225–237 | pdf | doi | abstract.
Note on Superrigidity for irreducible lattices and geometric splitting,
C. R. Acad. Sci. Paris, Ser. I 340 No. 3 (2005), 185–190 | doi.
Equivariant embeddings of trees into hyperbolic spaces, (with M. Burger and A. Iozzi)
IMRN 22 (2005), 1331–1369 | pdf | doi | abstract.
Ideal bicombings for hyperbolic groups and applications, (with I. Mineyev and Y. Shalom)
Topology 43 No. 6 (2004), 1319–1344 | pdf | doi | abstract.
Cocycle superrigidity and bounded cohomology for negatively curved spaces, (with Y. Shalom)
J. Differential Geometry 67 No. 3 (2004), 395–455 | pdf | abstract.
Stabilization for SLn in bounded cohomology,
[proceedings of the first JAMS Symposium, Matsushima 2002]
Contemp. Math. 347 (2004), 191–202 | pdf | abstract.
Negative curvature from a cohomological viewpoint, (with Y. Shalom)
C. R. Acad. Sci. Paris, Ser. I 337 No. 10 (2003), 635–638 | pdf | doi | abstract.
On co-amenability for groups and von Neumann algebras, (with S. Popa)
C. R. Acad. Sci. Canada 25 No. 3 (2003), 82–87 | pdf | abstract.
Continuous bounded cohomology and applications to rigidity theory, (with M. Burger)
Geom. Funct. Anal. 12 No. 2 (2002), 219–280 | pdf | doi | abstract.
Continuous bounded cohomology of locally compact groups,
LNM vol. 1758 (Springer 2001) | doi | abstract.
(Awarded the ETH Medal)
Bounded cohomology of lattices in higher rank Lie groups, (with M. Burger)
J. Eur. Math. Soc. 1 No. 2 (1999), 199–235 | pdf | doi | abstract.
Erratum to the above, (with M. Burger)
J. Eur. Math. Soc. 1 No. 3 (1999), 338–338 | pdf | doi.
Éléments de géométrie grossière,
M. Sc. memoir of the University of Lausanne (1997).
