Thomas Vogel

Preprints/Articles :

• On the asymptotic linking number, Proc. Amer. Math. Soc. 131 (2003), 2289-2297. (pdf)
• mit D. Kotschick , Linking numbers of measured foliations, Ergodic theory and Dynam. Systems 23 (2003), 541-558. (pdf)
• A construction of Engel structures, C. R. Acad. Sci. Paris, Ser. I 340 (2005), 43-48. (pdf)
• Existence of Engel structures, Annals of Math. (2), 169 (2009), 79-137.   (pdf)
• Maximally non-integrable plane fields on Thurston geometries, IMRN Nr. 21 2006, Article ID 97315   (pdf)
• mit S. Baader und K. Cieliebak , Legendrian ribbon knots in overtwisted contact structures, JKTR 18 (2009), 523-529.   (pdf)
• 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, Comm. Math. Helv. 93 (2018), 475-491, (pdf) .
• 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.org/abs/1712.09286, to appear in Geometry and Topology.
• 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 18-7 (2018), 4275-4303.

Vorlesungen/ Übungen/ Seminare

Summer 2026/27

• Lineare Algebra 1
  Termin: Mi 10-12, Fr 12-14 in C123
  Es gibt eine Moodle Seite für die Vorlesung. Der Einschreibeschlüssel ist Takakazu (cf. diese Wikipediaeintrag)
  
• Vorlesung (mit S. Hensel): Homeomorphisms and mapping classes of surfaces
  Zeit/Ort: Mon 14-16, Wed 12-14 in B046
  The lecture has a page Moodle Seite on moodle. The key for selfinscription is Baer (cf. this wikipedia page). The lecture starts on Wednesday, October 14!!

Summer 2026

• Riemannian geometry
  Lecture : Tu, Fr 12-14 in A027
  Exercise classes: Thu, 14-16 in A027 by Lukas Böke.
  There is a moodle page for this class. The key for inscription is Klingenberg (cf. this wikipedia page)
  
• Seminar: Dynamical systems
  Zeit/Ort: Mon 12-14 in B251
  Das Seminar hat eine Moodle Seite for this seminar. Der Einschreibeschlüssel ist Cartwright (cf. this wikipedia page).
• Seminar: Surface diffeomorphisms after Thurston
  Friday, 10-12 in B252
  There is a moodle page for the seminar. The key for self inscription is Thurston (cf. this wikipedia page)