Research Interests
- Symmetric spaces of noncompact type
- Limit sets of discrete isometry groups
- Patterson Sullivan measures
- Geometric rank one spaces
- Distribution of closed geodesics in nonpositively curved spaces
- Ergodic Theory and Dynamical Systems
- Finsler Geometry
Publications and Preprints
- Higher order Dehn functions for horospheres in products of Hadamard spaces, to appear in Advances in Geometry
- Asymptotic geometry in higher products of rank one Hadamard spaces, Groups Geom. Dyn. 10 (2016), no. 3, 885–931
- Ergodic geometry for non-elementary rank one manifolds (with Jean-Claude Picaud), Discrete Contin. Dyn. Syst. 36 (2016), no. 11, 6257–6284
- Generalized conformal densities for higher products of rank one Hadamard spaces, Geom. Dedicata. vol 178, no 1 (2015), 351-387
- An introduction to globally symmetric spaces, Strasbourg master class on geometry, IRMA Lect. Math. Theor. Phys., vol 18 (2012), 285-332
- Asymptotic geometry in products of Hadamard spaces with rank one isometries, Geom. Topol. vol 14, no 2 (2010), 1063-1094
- Growth of Conjugacy Classes of Schottky Groups in Higher Rank Symmetric Spaces, Manuscripta Mathematica vol 126, no 3 (2008), 375-391
- Sur les surfaces non-compactes de rang un (with Marc Peigné and Jean-Claude Picaud) L'Enseignement Mathematique vol 52 (2006), 3-36
- Geometry and Dynamics of Discrete Isometry Groups of Higher Rank Symmetric Spaces, Geometriae Dedicata vol 122, no 1 (2006), 51-75
- Asymptotic Geometry and Growth of Conjugacy Classes of nonpositively curved manifolds, Annals of Global Analysis and Geometry vol 31, no 1 (2007), 37-57
- Ergodicity of generalised Patterson-Sullivan measures in higher rank symmetric spaces, Mathematische Zeitschrift vol 254, no 3 (2006), 611-628
- Measures on the geometric limit set in higher rank symmetric spaces, Actes du Séminaire Théorie Spectrale et Géométrie 22 (2004), Institut Fourier, Grenoble, 59-69
- Hausdorff Dimension of Limit Sets of Discrete Subgroups of Higher Rank Lie Groups, Geom. Funct. Anal. vol 14, no 2 (2004), 400-432
- Electronic Publication of my Thesis
- Hydrodynamic description of surface plasmons: Nonexistence of the unrestricted half-space solution, Phys. Rev. B 60 (1999), 16157-16163 (with Prof. Ralph v. Baltz)