Meetings Organized
Topology Workshop in Oberwolfach
July 1-7, 2018,
joint with Mark Behrens, Ruth Charney and Michael Weiss.
Arbeitstagung on "Physical Mathematics" in honor of Yuri Manin,
Conference at MPIM, June 19-23, 2017.
Joint with Christian Blohmann, Mikhail Kapranov and Bruno Vallette.
4-Manifolds and knot concordance,
Max-Planck Institute for Mathematics in Bonn, October 17-21, 2016,
joint with the low-dimensional HIM gang, see website.
Topology Workshop in Oberwolfach
July 17-23, 2016,
joint with Mark Behrens, Natelie Wahl and Michael Weiss.
Factorization Algebras and Functorial Field Theories
Workshop in Oberwolfach, May 8-14, 2016,
joint with Owen Gwilliam, Stephan Stolz and Mahmoud Zeinalian.
Higher structures in Geometry and Physics 2016, a thematic program
at the Max-Planck Institute for Mathematics in Bonn, January - March, 2016,
Michael Batanin, Ralph Kaufmann and Martin Markl.
(Scientific advisory board joint with Yuri Manin)
Higher structures in Geometry and Physics 2015, a workshop
at the Max-Planck Institute for Mathematics in Bonn, Oct.12-16, 2015,
joint with Anton Alekseev, Christian Blohmann, Chris Schommer-Pries and Chenchang Zhu.
Homotopy theory, manifolds and field theories,
Trimester program at the Hausdorff Institute for Mathematics in Bonn, May 4 - August 21, 2015,
joint with Soren Galatius, Haynes Miller and Stefan Schwede.
Special activities during the trimester:
• May 4-8: Introductory School for graduate students and postdocs with lecture series
by D. Ayala, O. Randal-Williams, S. Schwede, P. Teichner
• June 1-19: Felix Klein Lectures by Charles Rezk
• June 15-19: Workshop at the Max Planck Institute for Mathematics
• August 17-21: Geometry & Topology Conference
Geometric quantization and topological recursion
November 24-28, 2014 at the Max Planck Institute for Mathematics, Bonn
joint with Gaetan Borot and Don Zagier.
Topology Workshop in Oberwolfach
September 14-20, 2014,
joint with Thomas Schick, Natelie Wahl and Michael Weiss.
20th NRW Topology Meeting, Max-Planck Institute for Mathematics in Bonn, November 8 - 9, 2013, joint with Wolfgang Lück and Stefan Schwede.
Network Meeting in String Geometry, Max-Planck Institute for Mathematics in Bonn, October 7 -11, 2013, joint with Bas Janssens and Thomas Nikolaus.
Includes a Minicourse on Dendroidal Topology by Ieke Moerdijk.
Arbeitstagung, dedicated to the memory of Friedrich Hirzebruch
Bonn, May 22-28, 2013,
joint with Werner Ballmann, Gerd Faltings and Don Zagier.
4-Manifolds and their combinatorial invariants, a special semester at the Max-Planck Institute for Mathematics in Bonn, January - June, 2013,
joint with Michael Freedman and Matthias Kreck.
Topological aspects of quantum field theory, Workshop at the Institute of Mathematical Sciences in Singapore, Jan. 14-18, 2013, joint with Fei Han.