Jannis Marquardt

Jannis Marquardt

Contact:
Institute for Partial Differential Equations
Technische Universität Braunschweig
Universitätsplatz 2
38106 Braunschweig
Germany

Room: 420 (Forumsgebäude, 4th floor)

 

Email: j.marquardt(at)tu-braunschweig.de

Phone: +49 (531) 391-7408

 

Office hours: By appointment
(You may simply come in if my office door is open. In order to guarantee that the door is open at a desired date and time, please send me a short email in advance.)

Research interests

  • Data-informed simulation of dynamics.
  • Time-adaptivity in Data Assimilation.
  • Optimal control of partial differential equations.
  • Usage of model order reduction in the areas from above.
Sketch of 4D-Var problem
4D-Var Variational Data Assimilation: Influence of an "updated-by-measurements" initial condition to the forecast of a model governed by a dynamic.
From "The Degenerate Variable Metric Proximal Point Algorithm and Adaptive Stepsizes for Primal-Dual Douglas-Rachford". Eigenvalues of one of the central iteration mappings.
From "The Degenerate Variable Metric Proximal Point Algorithm and Adaptive Stepsizes for Primal-Dual Douglas-Rachford". Eigenvalues of one of the central iteration mappings.

Publications

Teaching

Summer term 2023/24

Further information...

...about the current courses are available in Stud.IP!

If you still have questions or uncertainties, please don't hesitate to contact me by mail or by phone. Alternatively, we can also meet face to face in my office.