About me

I am Visiting Professor at the Department of Mathematics, Columbia University, New York.

Research topics

Differential Geometry, Geometric Topology, Geometry of Surfaces.
Higher Teichmüller Theory, Higgs Bundles, Geometric Structures, Character Varieties.
Teichmüller Theory, Hyperbolic Geometry.



Conferences I organized

Upcoming! International Workshop on Higher Teichmüller Theory, Chern Institute of Mathematics, Nankai University, Tianjin, China, 2021.

40. Süddeutsches Kolloquium über Differentialgeometrie,
Heidelberg, June 29-30, 2018.

Conference: Geometric Structures and Representation Varieties,
Heidelberg, February 19-22, 2018.

Conference: Asymptotic geometry of groups and spaces,
Heidelberg, February 20-23, 2017.

Hengstberger Symposium: Higher Teichmüller theory and Higgs bundles: Interactions and new trends, Heidelberg, November 2-6, 2015



My grad students

Johannes Horn (defended, 2020)
Evgenii Rogozinnikov (defended, 2020)
Christoph Karg (defended, 2020)