Recent publications

• Réseaux arithmétiques et commensurateur d'après G. A. Margulis, (With N. A'Campo) Invent. Math. 116 (1994), 1-25.
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• A lower bound on the base eigenvalue for geometrically finite hyperbolic n-manifolds, (With D. Canary) J. reine angew. Math. 454 (1994), 37-57.
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• Rigidity properties of group actions on CAT(0)-spaces, Proc. ICM Zürich, Switzerland 1994, 761-769 ; Birkhäuser 1995.

• CAT(-1)-spaces, divergence groups and their commensurators, (With S. Mozes) J. of the Amer. Math. Soc. 9, no 1 (1996), 57-93.
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• Constructing irreducible representations of discrete groups, (With P. de la Harpe) Proc. Indian Acad. Sci. 107, no 3 (1997), 223-235.
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• Finitely presented simple groups and products of trees, (With S. Mozes) C. R. Acad. Sci. Paris 324 (1997), 747-752.
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• Idempotents in complex group rings : theorems of Zalesskii and Bass revisited, (With A. Valette) J. of Lie Theory 8 (1998), 219-228.
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• Bounded cohomology of lattices in higher rank Lie groups, (with N. Monod) J. Eur. Math. Soc., 1 No. 2 (1999), 199-235.
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• Erratum to the above,
  (With N. Monod) J. Eur. Math. Soc., 1 No. 3 (1999), 338-338.
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• (With S. Mozes) Groups acting on trees : from local to global structure, Publ. I.H.E.S., 92 (2000), 113-150.

• (With S. Mozes) Lattices in products of trees, Publ. I.H.E.S., 92 (2000), 151-194.

• (with N. Monod) Continuous bounded cohomology and applications to rigidity theory, Geom. Funct. Anal. 12 (2002), no. 2, 219--280.

• (With A. Iozzi) Boundary maps in bounded cohomology. Appendix to: "Continuous bounded cohomology and applications to rigidity theory'' [Geom. Funct. Anal. 12 (2002), no. 2, 219--280.

• (With N. Monod) On and around the bounded cohomology of SL (2, R). Rigidity in dynamics and geometry (Cambridge, 2000), 19--37, Springer, Berlin, 2002.

• (With T. Gelander, A. Lubotzky, S. Mozes) Counting hyperbolic manifolds. Geom. Funct. Anal. 12 (2002), no. 6, 1161--1173

• (with A. Iozzi, A. Wienhard) Surface group representations with maximal Toledo invariant. C. R. Math. Acad. Sci. Paris 336 (2003), no. 5, 387--390.

• (With A. Iozzi) Bounded Kähler class rigidity of actions on Hermitian symmetric spaces. Ann. Sci. École Norm. Sup. (4) 37 (2004), no. 1, 77--103.

• (with A. Iozzi, N. Monod) Equivariant embeddings of trees into hyperbolic spaces. Int. Math. Res. Not. 2005, no. 22, 1331--1369.

• (With A. Iozzi, F. Labourie, A. Wienhard) Maximal representations of surface groups: symplectic Anosov structures. Pure Appl. Math. Q. 1 (2005), no. 3, Special Issue: In memory of Armand Borel. Part 2, 543--590.

• (With A. Iozzi, A. Wienhard) Hermitian symmetric spaces and Kähler rigidity. Transform. Groups 12 (2007), no. 1, 5--32.

• (With A. Iozzi) Bounded differential forms, generalized Milnor-Wood inequality and an application to deformation rigidity. Geom. Dedicata 125 (2007), 1--23.

• (With L. Ji, A. Lubotzky, H. Oh, S.T. Yau) Preface [Special issue in honor of Grigory Margulis. Part 1]. Pure Appl. Math. Q. 3 (2007), no. 4, Special Issue: In honor of Grigory Margulis. Part 1, i--vii.
  

• (With A. Iozzi) A measurable Cartan theorem and applications to deformation rigidity in complex hyperbolic geometry. Pure Appl. Math. Q. 4 (2008), no. 1, part 2, 181--202.

• (With A. Iozzi, A. Wienhard) Tight homomorphisms and Hermitian symmetric spaces. Geom. Funct. Anal. 19 (2009), no. 3, 678--721.