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Research Group Computational Methods in Systems and Control Theory

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Research Group Computational Methods in Systems and Control Theory
(Prof. Dr. Peter Benner)


History of Lyapunov residuals and inner tolerances of (in)exact LR-ADI

Preprint: Inexact methods for the low rank solution to large scale Lyapunov equations

September 18th, 2018
Melina Freitag (Uni Bath) and Patrick Kürschner investigate the effect of inexact linear solves in rational Krylov subspace and low-rank ADI methods for large matrix equations. Dynamic stopping criteria are developed that decrease the amount of work spent in solving the sequences of linear systems.

Events: 5th European Conference on Computational Optimization (EUCCO)

September 10th, 2018
The 5. EUCCO took place September 10-12, 2018, at the University of Trier. It had 106 participants. CSC contributed in the following ways: Peter Benner (program committee and talk in Special Session), Jan Heiland (organization of the Special Session "Model order reduction and low-rank approximation for nonlinear problems"), as well as Christian Himpe and Roman Weinhandl (talks in in Special Session).

Software: emgr - Empirical Gramian Framework 5.5

August 22nd, 2018
emgr - EMpirical GRamian Framework version 5.5 for model reduction of (nonlinear) input-output systems has been released. More information at: https://gramian.de

Upcoming seminar talks

Date Speaker(s) Title
16.10.18 Nicodemua Banagaaya Index-aware MOR for nonlinear DAEs Arising from Gas Transport Networks
06.11.18 Kirandeep Kour TBA

Date Speaker(s) Title

Jens Saak, saak@mpi-magdeburg.mpg.de