Kähler groups, real hyperbolic spaces and the Cremona group, with T. Delzant (with an appendix by S. Cantat), 35 pages, preprint (December 2010):arxiv.

On continuity of quasi-morphisms for symplectic maps, with M. Entov and L. Polterovich (with an appendix by M. Khanevsky), 36 pages, preprint (April 2009):arxiv.

Some remarks on area-preserving actions of lattices, 18 pages, to appear in the Zimmer Festschrift (2008):pdf.

Quelques plats pour la métrique de Hofer, J. Reine. Angew. Math., No. 620 (2008): arxiv.

Quasi-morphismes de Calabi et graphe de Reeb sur le tore: C. R. Acad. Sci. Paris, vol.343, No. 5 (2006): pdf.

Quasi-morphismes et invariant de Calabi, Ann. Sci. École Norm. Sup. (4), vol.39, No. 1 (2006): pdf. Part of the results contained in this text were announced in: Quasi-morphisme de Calabi sur les surfaces de genre supérieur, C. R. Acad. Sci. Paris, vol.341, No. 1 (2005).

Indice de Maslov et théorème de Novikov-Wall, Bol. Soc. Mat. Mexicana (3), vol.11, No. 2 (2005): pdf.

On representation theory of symmetric groups, "Zapiski Nauchnyh Seminarov POMI, Steklov Institute", vol.301, (2003) (a copy of the same text also appears in J. Math. Sci. (N.Y.), vol. 129, No. 2 (2005)): pdf.

My thesis is available here.