Discrete Optimization Lab

Prof. Dr. Johannes Thürauf

At the Discrete Optimization Lab, we develop algorithms and solution techniques to solve optimization problems in different fields.

  • Optimization under Uncertainty
    We develop solution methods that take into account uncertainties, e.g. uncertain data, in optimization problems. Our goal is to compute robust, reliable, resilient or adaptive solutions that can be applied across various fields, from resilient energy networks to logistics.
  • Bilevel Optimization
    We further focus on solving bilevel and multilevel optimization problems that are capable of modeling hierarchical decision processes. These problems are particularly relevant in many applications including machine learning tasks.
  • Optimization and Beyond
    Moreover, we conduct research in nonlinear, and integer programming, network optimization, graph algorithms, and polyhedral combinatorics.
  • Link Theory and Practice
    We are dedicated to link theory and practice by developing advanced solution meth- ods, implementing them, and applying these methods to real-world challenges. Our research emphasizes interdisciplinary collaborations and combines expert knowledge from different fields, enabling us to jointly solve complex problems of today.

Prof. Dr. Johannes Thürauf
Professor of Discrete Optimization

News

5.12.2024Our paper Connections between Robust and Bilevel Optimization (jointly with Marc Goerigk, Jannis Kurtz, and Martin Schmidt) has been accepted for publication in the Open Journal of Mathematical Optimization. You can find the preprints here: Optimization Online and TRR 154 Preprint Server.
4.12.2024December 4, 2024: Our paper On Coupling Constraints in Linear Bilevel Optimization jointly with (Dorothee Henke, Henri Lefebvre, and Martin Schmidt) has been published online in Optimization Letters. It is open access; see here: 10.1007/s11590-024-02156-3.
21.11.2024Our paper An Exact Method for Nonlinear Network Flow Interdiction Problems jointly with Martin Schmidt is now published online in the SIAM Journal in Optimization. The preprint is available under Optimization Online.
8.10.2024Our paper on Coupling Constraints in Linear Bilevel Optimization (jointly with Dorothee Henke, Henri Lefebvre, and Martin Schmidt) has now been accepted for publication in Optimization Letters. The latest version of the preprint is available at Optimization Online.
5.9.2024Today, I gave a talk about BOBILib: Bilevel Optimization (Benchmark) Instance Library at the OR 2024, Munich, Germany.
26.7..2024Today, I gave a talk about Connections and Reformulations between Robust and Bilevel Optimization at the ISMP 2024, Montreal, Canada.
17.7.2024Our report on BOBILib: Bilevel Optimization (Benchmark) Instance Library (jointly with Thomas KleinertIvana LjubicTed Ralphs, and Martin Schmidt) is available at Optimization Online. In addition, you can find all instances and best known solutions at https://bobilib.org.
17.5.2024I am very thankful for the great opportunity to present our work Adjustable Robust Nonlinear Network Design under Demand Uncertainties at the Robust Optimization Webinar (ROW); available on YouTube.
13.5.2024It was a great pleasure to give my talk Adjustable Robust Network Design for Energy Networks at the Variational Analysis and Applications for Modeling of Energy Exchange – VAME 2024 at Trier.

You still have questions?

Then contact our  Discrete Optimization Lab.

 discrete-optimization@utn.de