| Publication | Date of Publication | Type |
|---|
| Almost maximal volume entropy | 2018-05-16 | Paper |
| Trees and ultrametric Möbius structures | 2018-04-13 | Paper |
| Möbius rigidity of invariant metrics in boundaries of symmetric spaces of rank-1 | 2017-07-04 | Paper |
| The aperiodic complexities and connections to dimensions and Diophantine approximation | 2016-10-20 | Paper |
| Incidence axioms for the boundary at infinity of complex hyperbolic spaces | 2015-09-21 | Paper |
| On Toponogov's comparison theorem for Alexandrov spaces | 2015-09-09 | Paper |
| Aperiodic sequences and aperiodic geodesics | 2014-11-07 | Paper |
| Möbius characterization of the boundary at infinity of rank one symmetric spaces | 2014-10-17 | Paper |
| A flat strip theorem for Ptolemaic spaces | 2013-06-18 | Paper |
| Metric Möbius geometry and a characterization of spheres | 2013-03-18 | Paper |
| Hyperbolic Spaces and Ptolemy Moebius Structures | 2012-10-18 | Paper |
| Möbius characterization of hemispheres | 2012-08-13 | Paper |
| Ptolemy circles and Ptolemy segments | 2012-07-31 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2895508 | 2012-07-03 | Paper |
| Hyperbolicity, CAT(\(-1\))-spaces and the Ptolemy inequality | 2011-06-03 | Paper |
| Group actions on geodesic Ptolemy spaces | 2011-06-01 | Paper |
| Moebius structures and Ptolemy spaces: boundary at infinity of complex hyperbolic spaces | 2010-12-08 | Paper |
| Affine functions on \(CAT (\kappa )\)-spaces | 2010-05-10 | Paper |
| Embeddings of hyperbolic groups into products of binary trees | 2008-10-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3525217 | 2008-09-11 | Paper |
| On 3-dimensional asymptotically harmonic manifolds | 2008-04-15 | Paper |
| Aperiodic colorings and tilings of Coxeter groups. | 2008-02-22 | Paper |
| Erratum to: Nonpositive Curvature and the Ptolemy Inequality | 2008-02-20 | Paper |
| Hyperbolic dimension of metric spaces | 2008-02-05 | Paper |
| Nonpositive Curvature and the Ptolemy Inequality | 2008-01-30 | Paper |
| Elements of asymptotic geometry | 2007-05-31 | Paper |
| Quasi-metric and metric spaces | 2007-04-13 | Paper |
| Connecting geodesics and security of configurations in compact locally symmetric spaces | 2006-08-16 | Paper |
| A product construction for hyperbolic metric spaces | 2006-03-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3371953 | 2006-02-22 | Paper |
| Embedding of hyperbolic spaces in the product of trees | 2005-11-10 | Paper |
| Embedding of hyperbolic Coxeter groups into products of binary trees and aperiodic tilings | 2005-04-28 | Paper |
| Hyperbolic rank of products | 2004-10-28 | Paper |
| Perturbations of the Harmonic Map Equation | 2004-03-08 | Paper |
| Embedding of Coxeter groups in a product of trees | 2004-02-24 | Paper |
| Products of hyperbolic metric spaces | 2004-02-03 | Paper |
| Embedding of hyperbolic spaces in the product of trees | 2003-11-28 | Paper |
| Non standard metric products | 2003-09-02 | Paper |
| Extension of Lipschitz maps into 3-manifolds | 2002-10-22 | Paper |
| Convex hulls in singular spaces of negative curvature | 2002-09-23 | Paper |
| Bounded geodesics in manifolds of negative curvature | 2002-08-12 | Paper |
| Products of hyperbolic metric spaces | 2002-07-31 | Paper |
| Hyperbolic rank and subexponential corank of metric spaces | 2002-07-29 | Paper |
| Invariant subsets of rank 1 manifolds | 2002-05-29 | Paper |
| Minkowski versus Euclidean rank for products of metric spaces | 2002-04-18 | Paper |
| Jung's theorem for Alexandrov spaces of curvature bounded above | 2001-12-16 | Paper |
| Geodesics avoiding open subsets in surfaces of negative curvature | 2001-04-01 | Paper |
| On the asymptotic geometry of nonpositively curved graphmanifolds | 2001-01-08 | Paper |
| Tits geometry of cocompact real-analytic Hadamard manifolds of dimension 4 | 2000-02-08 | Paper |
| Tits geometry associated with 4-dimensional closed real-analytic manifolds of nonpositive curvature | 1999-09-19 | Paper |
| Kirszbraun's theorem and metric spaces of bounded curvature | 1998-07-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4340760 | 1998-02-03 | Paper |
| Quasiflats in Hadamard spaces | 1997-11-25 | Paper |
| Cusp closing in rank one symmetric spaces | 1997-04-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3138466 | 1995-04-24 | Paper |
| Totally geodesic hypersurfaces in manifolds of nonpositive curvature | 1995-03-13 | Paper |
| Graph manifolds, ends of negatively curved spaces and the hyperbolic 120- cell space | 1993-02-18 | Paper |
| Existence of flat tori in analytic manifolds of nonpositive curvature | 1992-06-28 | Paper |
| Analytic manifolds of nonpositive curvature with higher rank subspaces | 1991-01-01 | Paper |
| Tits distance of Hadamard manifolds and isoparametric hypersurfaces | 1991-01-01 | Paper |
| Volume growth of open manifolds with nonnegative curvature | 1990-01-01 | Paper |
| Ramified coverings with nonpositive curvature | 1990-01-01 | Paper |
| Codimension one tori in manifolds of nonpositive curvature | 1990-01-01 | Paper |
| Local Rigidity of Symmetric Spaces | 1990-01-01 | Paper |
| Rigidity of convex domains in manifolds with nonnegative Ricci and sectional curvature | 1989-01-01 | Paper |
| Curvature at infinity of open nonnegatively curved manifolds | 1989-01-01 | Paper |
| Structure of flat subspaces in low-dimensional manifolds of nonpositive curvature | 1989-01-01 | Paper |
| Local Rigidity of Symmetric Spaces of Nonpositive Curvature | 1989-01-01 | Paper |
| A Cusp Closing Theorem | 1989-01-01 | Paper |
| Existence of immersed tori in manifolds of nonpositive curvature. | 1988-01-01 | Paper |
| Amenable groups and stabilizers of measures on the boundary of a Hadamard manifold | 1987-01-01 | Paper |
| Volume, diameter and the first eigenvalue of locally symmetric spaces of rank one | 1987-01-01 | Paper |
| Riemannian manifolds with flat ends | 1987-01-01 | Paper |
| Rigidity of nonpositively curved graph manifolds | 1986-01-01 | Paper |
| On the fundamental group of a visibility manifold | 1986-01-01 | Paper |
| The fundamental group of compact manifolds without conjugate points | 1986-01-01 | Paper |
| Existence of flats in manifolds of nonpositive curvature | 1986-01-01 | Paper |
| A splitting theorem for spaces of nonpositive curvature | 1985-01-01 | Paper |
| Manifolds of nonpositive curvature | 1985-01-01 | Paper |
| Finite volume and fundamental group on manifolds of negative curvature | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3036222 | 1984-01-01 | Paper |
