Third-party projects:

• Spectral geometry, index theory and geometric flows on singular spaces (with Boris Vertman)
  Project within the framework of the SPP 2026 Geometry at infinity,
• Uniqueness in mean curvature flow (with Oliver Schnürer)
  Project within the framework of the SPP 2026 Geometry at infinity
• Stability and instability of Einstein manifolds with prescribed asymptotic geometry
  Project within the framework of the SPP 2026 Geometry at infinity
• Differential geometry and Supersymmetry
  Project within the Graduiertenkolleg 1670 Mathematics inspired by string theory and quantum field theory
  Spokesperson: Christoph Schweigert

Seminar:

• Nonlinear wave equations (with Jan Metzger, Potsdam)

Schools, workshops, conferences:

• Wave equations and Fourier integral operators on models of an expanding universe
  Winter school, Konstanz, January 15-17, 2020
  Organizers: Klaus Kröncke (Hamburg), Jan Metzger (Potsdam), Oliver Lindblad Petersen (Hamburg)
• 10th Northern German Differential Geometry Day
  Hamburg, June 21, 2019
  Organizers: Roger Bielawski, Lynn Heller and Knut Smoczyk (Hannover), Vicente Cortés and Klaus Kröncke (Hamburg), Jens Heber and Hartmut Weiß (Kiel)
• Ricci flow, mean curvature flow and related singular flows
  Workshop, Hamburg, September 3-6, 2018
  Organizers: Klaus Kröncke (Hamburg), Oliver Schnürer (Konstanz), Miles Simon (Magdeburg) and Boris Vertman (Oldenburg)
• 9th Northern German Differential Geometry Day
  Kiel, June 8, 2018
  Organizers: Roger Bielawski, Lynn Heller and Knut Smoczyk (Hannover), Vicente Cortés and Klaus Kröncke (Hamburg), Jens Heber and Hartmut Weiß (Kiel)
• Field equations on Lorentzian space-times
  Workshop, Hamburg, March 19-23, 2018
  Organizers: Vicente Cortés, Sari Ghanem and Klaus Kröncke (Hamburg)
• Geometric evolution equations
  Winter school, Konstanz, February 5-9, 2018
  Organizers: Klaus Kröncke (Hamburg), Oliver Schnürer (Konstanz), Miles Simon (Magdeburg) and Boris Vertman (Oldenburg)
• 8th Northern German Differential Geometry Day
  Hannover, June 30, 2017
  Organizers: Roger Bielawski and Knut Smoczyk (Hannover), Vicente Cortés and Klaus Kröncke (Hamburg), Jens Heber and Hartmut Weiß (Kiel)
• Geometric Flows and the Geometry of Space-time
  Summer School and Workshop, Hamburg, September 19-23, 2016
  Organizers: Vicente Cortés, Klaus Kröncke and Jan Louis (Hamburg)
• 7th Northern German Differential Geometry Day
  Hamburg, June 10, 2016
  Organizers: Roger Bielawski and Knut Smoczyk (Hannover), Vicente Cortés and Klaus Kröncke (Hamburg), Jens Heber and Hartmut Weiß (Kiel)