Rigidity versus flexibility for tight confoliations, Geometry and Topology 15 (2011) No. 1, 41-121 (journal)
Uniqueness of the contact structure approximating a foliation, Geometry and Topology 20 (2016), no.5, p. 2439-2573. (journal) Here is a version of this preprint with fewer typos and slightly more details (the mathematical content is the same as in the arxiv-version).
mit D. Kotschick Engel structures and weakly hyperbolic flows on four-manifolds, (pdf) , https://arxiv.org/abs/1610.04001. Accepted for publication by Comm. Math. Helv.
Non-loose unknots, overtwisted discs and the contact mapping class group of S3, Geom. Funct. Anal. 28 (2018), no. 1, 228-288, (pdf) .
mit A. del Pino, The Engel-Lutz twist and overtwisted Engel structures, (pdf) https://arXiv:1712.09286
mit V. Colin, F. Presas, Notes on open book decompositions for Engel structures, (pdf) , https://arxiv.org/abs/1802.07639, to appear in Alg. & Geom. Topology
Vorlesungen/ Übungen/ Seminare
Lecture: Mo, 4-6 pm, Do 2-4pm in A027
Exercises: We, 12-2pm in A027.
Seminar: Topological K-theory
Time, place: We, 10-12 in B251.