Random groups of intermediate rank

Oberwolfach reports, Vol. 7 (2010).

Property RD for D. Wise's non Hopfian group (with Sylvain Barre)

Preprint.

Closed manifolds with transcendental L2-Betti numbers (with Thomas Schick and Andrzej Zuk)

Preprint.

Removing chambers in Bruhat-Tits buildings (with Sylvain Barre)

Preprint.

Intermediate rank and property RD (with Sylvain Barre)

Preprint.

The cost is an isoperimetric invariant (with Stephane Vassout)
J. Noncommut. Geom., Vol. 4 (2010), 381--387.

Turbulence, representations, and trace-preserving actions (with David Kerr and Hanfeng Li)
Proc. Lond. Math. Soc. (3) 100, No. 2, 459-484 (2010), 459--484.

The 4-string braid group B4 has property RD and exponential mesoscopic rank (with Sylvain Barre)
Bull. Soc. Math. France, to appear.

Existence d'immeubles triangulaires quasi-periodiques (with Sylvain Barre)
Math. Ann., Vol. 350, N. 1 (2011).

The space of triangle buildings
Adv. Stud. Pure Math. 55, IHES-MSJ 2006, pp. 321--334 (2009).

A note on Markov type constants (with Shin-ichi Ohta)
Arch. Math. (Basel), 92 (2009), pp 80--88.

Harmonic analysis from quasi-periodic domains
Israel J. Math, 167 (2008), pp 63--90.

Uniform non amenability, cost, and the first L2 Betti number (with Russell Lyons and Stephane Vassout)
Groups Geom. Dyn., Vol. 2, no. 4 (2008), 595--617.

Groups of intermediate rank: two examples
Oberwolfach reports, Vol. 5 (2008).

Asymptotic Abelianness, weak mixing, and property T (with David Kerr)
J. Reine Angew. Math., 623 (2008), 213--235.

Sur les immeubles triangulaires et leurs automorphismes (with Sylvain Barre)
Geom. Dedicata 130 (2007), 71--91.

Sur la theorie spectrale des relations d'equivalence mesurees
J. Inst. Math. Jussieu, Vol. 6, no. 03 (2007), pp 453-500.

Sur les espaces mesures singuliers fortement ergodiques et leurs structures metriques-mesurees
Ann. Inst. Fourier, 57, no. 1 (2007), p. 1-43.

Semi-continuity of the first L2 Betti number on the space of finitely generated groups
Comment. Math. Helv. 81 (2006), no. 3, 643--652.

Conditions simpliciales de rigidite pour les relations d'equivalence de type II1
C. R. Math. Acad. Sci. Paris 337 (2003), no. 1, 7--12.

Quasi-periodicite et theorie de la mesure
Ph. D. Thesis (2005).

My recent papers can all be downloaded from the arXiv.

Here is my publication list in pdf format (last update: 10/10).