Dynamics on Lorentz manifolds, lecture notes from the École de Géométrie Différentielle et Systèmes Dynamiques, ENSET Oran, Algeria, November 4-9, 2006 dvipdfps
to appear in Algèbre, analyse, et dynamique pour la géométrie: Actes des Écoles de Géométrie et Dynamique au Maghreb 2004-2007 (eds. T. Barbot, H. Belbachir, S. Mehdi, D. Smai, R. Souam)
An embedding theorem for automorphism groups of Cartan
geometries, with Uri Bader
and Charles Frances dvipdfps Geometric and Functional Analysis19 no. 2 (2009) 333-355
Compact Lorentz manifolds with local symmetry
University of Chicago dissertation, 2006 dvipdfps
article version dvipdfps
in Journal of Differential Geometry81 no. 2 (2009) 355-390
A primer on the (2+1) Einstein universe, with Thierry Barbot,
Virginie Charette, Todd Drumm, and
William Goldman dvipdfps
in Recent developments in pseudo-Riemannian Geometry:
Proceedings of the Special Semester "Geometry of pseudo-Riemannian
manifolds with application to physics", Erwin Schrödinger Insitute,
Vienna, Sept - Dec 2005 (eds. D. Alekseevsky and H. Baum) in
ESI-Series on Mathematics and Physics
Actions of noncompact semisimple groups on Lorentz manifolds, with Mohamed Deffaf and Abdelghani Zeghib dvipdfps Geometric and Functional Analysis18 no. 2 (2008) 463-488
Isometric actions of Heisenberg groups on compact Lorentz manifolds dvipdfps Geometriae Dedicata126 no. 1 (2007) 131-154