I am a postdoc at the Max Planck Institute for mathematics in Bonn, Germany. My research interests are in differential geometry: e.g. the surgery classification of high dimensional manifolds, 7-manifolds, exotic spheres, mapping class groups, etc.
5 Signs in the unstable homotopy groups of spheres Feb 8 '12
5 Why is it true that if two 4-manifolds are homeomorphic then their squares are diffeomorphic? Apr 13
3 Construction of Thom-Spectrum for G_2-Structures Sep 19 '13