News Archive

The fifth workshop on matrix equations and tensor techniques is held in Bologna, Italy from September 21-22, 2015. It is coorganized by the CSC group. Sergey Dolgov is a keynote speaker and Jens Saak, Heiko Weichelt, Patrick Kürschner will give contributed talks.

Peter Benner, Matthias Heinkenschloss, Jens Saak, and Heiko Weichelt combine in this preprint various methods to effciently solve large-scale algebraic Riccati equations.

The recently published article Riccati-based Boundary Feedback Stabilization of Incompressible Navier-Stokes Flows appeared in the 2nd issue of the 37th SISC volume on pages A832-A858. The article describes efficient numerical methods to compute a Riccati based feedback stabilization via boundary control input for incompressible Navier-Stokes equations.

The SIAM Student Chapter at TU Delft is organizing the Student Krylov Day 2015. As representatives of the SIAM Student Chapter Magdeburg, Heiko Weichelt and Patrick Kürschner will give contributed talks.

The book chapter Optimal Control-Based Feedback Stabilization of Multi-field Flow Problems appeared in the Springer book Trends in PDE Constrained Optimization in the series International Series of Numerical Mathematics as volume 165 on the pages 173-188.

The 3rd Symposium of the German SIAM Student Chapters toke place in Magdeburg on 28.-29. of August 2014. We welcomed guest from the other German SIAM Chapters in Heidelberg and Trier. For the first time, members of the SIAM Chapter in Prag participated to extend the international connections.

The recent issue of SIAM News (Januar 2014) reports about the opening workshop of the SIAM Student Chapter Magdeburg. The workshop took place at the MPI Magdeburg on June 19th 2013. Edda Klipp from the Humboldt University Berlin was invited as the main speaker.

This paper presents the results obtained within the SPP1253 project: Optimal Control-Based Feedback Stabilization in Multi-Field Flow Problems .

Heiko Weichelt will present his latest results about Preconditioning of Large-Scale Saddle Point Systems Arising in Riccati Feedback Stabilization of Coupled Flow Problems at the PIM2013 in Prague (Czech Republic).

Heiko Weichelt presented his latest results about Riccati-Based Boundary Feedback Stabilization of Multi-Field Flow Problems at the OCIP2013 in Garching by Munich (Germany).

The final meeting of the DFG SPP1253 Optimization with Partial Differential Equations was held at Banz monastery. Peter Benner, Heiko Weichelt and Jens Saak participated and presented the latest results of the local project Optimal Control-Based Feedback Stabilization of Multi-Field Flow Problems there. (Talk ca. 16MB as PDF)

First forward simulation with integrated feedback stabilization available.

The authors show a method for boundary feedback stabilization of the Stokes around a stationary trajectory using a new non-conforming finite element method that represents the action of the Leray projection pointwise locally.

Heiko Weichelt will present his latest results on the annual meeting of the Deutschen Mathematiker Vereinigung that takes place in Saarbrücken, Germany, from 17th til 20th of September 2012.

From September 2nd to 5th the 12th GAMM Workshop on Applied and Numerical Linear Algebra is taking place on Chateau Liblice in Czech Republic. The CSC group will give talks by Jens Saak, Kapil Ahuja, and Heiko Weichelt.

This paper presents the results obtained within the SPP1253 project: Optimal Control-Based Feedback Stabilization in Multi-Field Flow Problems .

The workshop will be held at Schloss Ringberg. The program including abstracts of the presentations can be downloaded here.

Jan Heiland from TU Berlin will be visiting the CSC group. He will give a presentation titled Differential-algebraic Riccati Decoupling in Optimal Control of Flows in the CSC Reading Group. Main reason for the visit is a projected collaboration with Jens Saak, Norman Lang and Heiko Weichelt.

The 12th Copper Mountain Confernce on Iterative Methods will take place from 25th till 30th March 2012. Heiko Weichelt will present the latest results about Efficient Solution of Large-Scale Saddle Point Systems Arising in Feedback Control of the Stokes Equations there.

Heiko Weichelt presented his latest results about Riccati-Based Boundary Feedback Stabilization of Incompressible Flow Problems at the OCIP2012 in Garching by Munich (Germany).

This workshop is the fourth in a series of workshops on matrix equations held previously in Leipzig 2005, Chemnitz 2007, and Braunschweig 2009. The workshops are organized by Peter Benner (MPI Magdeburg), Heike Fassbender (TU Braunschweig), Lars Grasedyck (RWTH Aachen), and Daniel Kressner (EPF Lausanne).

The Summer School Numerical Linear Algebra for Dynamical and High-Dimensional Systems will be held on October 10-15, 2011 in Trogir, Croatia and is organized by Peter Benner (MPI Magdeburg), Daniel Kressner (EPF Lausanne), Ninoslav Truhar (University of Osijek) and Zlatko Drmač (University of Zagreb).

The anual meeting of the DFG SPP1253 Optimization with Partial Differential Equations will be held at Banz monastery. Peter Benner, Heiko Weichelt and Jens Saak will participate and present the latest results of the local project Optimal Control-Based Feedback Stabilization in Multi-Field Flow Problems there. (Talk)

Am 21. Dezember 2010, 14:00 Uhr, verteidigt Heiko Weichelt seine Diplomarbeit mit dem Titel Feedback-Stabilisierung von instationären, inkompressiblen Strömungen mit Riccati-Ansatz in Chemnitz im Raum 2/B202.