Education
He obtained his Doctor of Philosophy under the supervision of Heinz Bauer at the University of Erlangen-Nuremberg in 1989.
He obtained his Doctor of Philosophy under the supervision of Heinz Bauer at the University of Erlangen-Nuremberg in 1989.
Since 1997 he is a Professor of Mathematics at the University of Bonn, where he participates in the Collaborative Research Center for Singular Phenomena and Scaling in Mathematical Models. With Jürgen Jost, Wilfrid Kendall, Umberto Mosco, and Michael Röckner, he is a co-author of the book New Directions in Dirichlet Forms (American Mathematical Society/Intellectual Property Studies in Advanced Mathematics, American Mathematical Society, 1998,, Magnetic Resonance 1652277). He has also written highly cited papers on metric measure spaces.
He is also a member of the board of directors of the Hausdorff Center for Mathematics since 2010.