Publications

Submitted Works and Preprints

1. Toll Setting with Robust Wardrop Equilibrium Conditions Under Budgeted Uncertainty
   Jointly with Martine Labbé and Martin Schmidt
   Preprint (07/2024, last update: 02/2026): Optimization Online

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Journal Articles

1. Exact and Heuristic Methods for Gamma-Robust Min-Max Problems
   Accepted for publication (02/2026) in Operations Research Proceedings 2025
   Preprint (02/2026): Optimization Online
2. Heuristic Methods for $\Gamma$-Robust Mixed-Integer Linear Bilevel Problems
   Jointly with Ivana Ljubić and Martin Schmidt
   In: INFORMS Journal on Computing. DOI: 10.1287/ijoc.2023.0239
   Preprint (04/2024, last update: 01/2025): Optimization Online
3. Exact Methods for Discrete $\Gamma$-Robust Interdiction Problems with an Application to the Bilevel Knapsack Problem
   Jointly with Ivana Ljubić and Martin Schmidt
   In: Mathematical Programming Computation. DOI: 10.1007/s12532-023-00244-6
   Preprint (11/2021, last update: 04/2023): Optimization Online, TRR 154 Preprint Server
4. On a Computationally Ill-Behaved Bilevel Problem with a Continuous and Nonconvex Lower Level
   Jointly with Daniel Bienstock, Martin Schmidt and Johannes Thürauf
   In: Journal of Optimization Theory and Applications. DOI: 10.1007/s10957-023-02238-9
   Preprint (02/2022, last update: 05/2023): Optimization Online, arXiv, TRR 154 Preprint Server
5. A Brief Introduction to Robust Bilevel Optimization
   Jointly with Ivana Ljubić and Martin Schmidt
   In: SIAG on Optimization Views and News. A Forum for the SIAM Activity Group on Optimization. 2022. Volume 30 (2). Pages 1-10
   Preprint (11/2022, last update: 01/2023): Optimization Online, arXiv
6. A Survey on Bilevel Optimization Under Uncertainty
   Jointly with Ivana Ljubić and Martin Schmidt
   In: European Journal of Operational Research. DOI: 10.1016/j.ejor.2023.01.008
   Preprint (06/2022, last update: 11/2022): Optimization Online, TRR 154 Preprint Server
7. A Robust Approach for Modeling Limited Observability in Bilevel Optimization
   Jointly with Martin Schmidt
   In: Operations Research Letters. DOI: 10.1016/j.orl.2021.07.010
   Preprint (01/2021; last update: 04/2021): Optimization Online, TRR 154 Preprint Server

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Miscellaneous

1. Methoden der gemischt-ganzzahligen Optimierung für robuste Bilevel-Probleme mit „here-and-now“-Followern
   GOR Blog (09/2025), OR News. Volume 85 (12/2025). Pages 6-8
2. Heuristic Methods for $\Gamma$-Robust Mixed-Integer Linear Bilevel Problems
   Jointly with Ivana Ljubić and Martin Schmidt
   INFORMS Journal on Computing code repository (last update: 01/2025): GitHub
3. A Gentle and Incomplete Introduction to Bilevel Optimization
   Jointly with Martin Schmidt
   Publicly available lecture notes (last update: 07/2023): Optimization Online, TRR 154 Preprint Server
4. gamma-robust-knapsack-interdiction-solver
   Jointly with Ivana Ljubić and Martin Schmidt
   Code repository (v1.0.0: 05/2023, last update: 05/2024): GitHub. DOI for v1.0.0: 10.5281/zenodo.7965281
   

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Thesis

1. Mixed-Integer Optimization Techniques for Robust Bilevel Problems with Here-and-Now Followers
   Dissertation, Trier University
2. Bounded Rationality in Bilevel Optimization Using Robust Optimization (in German)
   Master's thesis, Trier University
3. Support Vector Machines: A Comparison of the Methods Projected Gradient Descent, Coordinate Descent, Sequential Minimal Optimization (in German)
   Bachelor's thesis, Trier University