Publications

Google Scholar | ORCID 0000-0001-6208-5677 | Co-Authors

Submitted Work / Preprints

1. On Coupling Constraints in Pessimistic Linear Bilevel Optimization
   Jointly with Dorothee Henke, Henri Lefebvre, and Johannes Thürauf
   Preprint (2/2025): Optimization Online, arXiv

2. Solving Decision-Dependent Robust Problems as Bilevel Optimization Problems
   Jointly with Henri Lefebvre, Simon Stevens, and Johannes Thürauf
   Preprint (2/2025): Optimization Online, arXiv

3. Computing Counterfactual Explanations for Linear Optimization: A New Class of Bilevel Models and a Tailored Penalty Alternating Direction Method
   Jointly with Henri Lefebvre
   Preprint (12/2024): Optimization Online

4. Mixed-Integer Bilevel Optimization with Nonconvex Quadratic Lower-Level Problems: Complexity and a Solution Method
   Jointly with Immanuel Bomze and Andreas Horländer
   Preprint (12/2024; last update 2/2025): Optimization Online

5. Computational Methods for the Household Assignment Problem
   Jointly with Ulf Friedrich, Lucas Moschen, and Ralf Münnich
   Preprint (7/2024, last update: 10/2024): Optimization Online

6. BOBILib: Bilevel Optimization (Benchmark) Instance Library
   Jointly with Johannes Thürauf, Thomas Kleinert, Ivana Ljubic, and Ted Ralphs
   Preprint (7/2024): Optimization Online
   Website of the library: https://bobilib.org

7. Exact Augmented Lagrangian Duality for Nonconvex Mixed-Integer Nonlinear Optimization
   Jointly with Henri Lefebvre
   Preprint (7/2024): Optimization Online

8. A Toll-Setting Problem with Robust Wardrop Equilibrium Conditions Under Budgeted Uncertainty
   Jointly with Yasmine Beck and Martine Labbé
   Preprint (7/2024): Optimization Online

9. A Heuristic for Complementarity Problems Using Difference of Convex Functions
   Jointly Steven A. Gabriel, Dominic Flocco, Trine K. Boomsma, and Miguel A. Lejeune
   Preprint (6/2024)

10. Stabilizing GNEP-Based Model Predictive Control: Quasi-GNEPs and End Constraints
    Jointly with Falk M. Hante and Antonia Topalovic
    Preprint (6/2024): Optimization Online, TRR 154 Preprint Server

11. Using Disjunctive Cuts in a Branch-and-Cut Method to Solve Convex Integer Nonlinear Bilevel Problems
    Jointly with Andreas Horländer and Ivana Ljubic
    Preprint (3/2024): Optimization Online

12. Mixed-Integer Linear Optimization for Semi-Supervised Optimal Classification Trees
    Jointly with Jan Pablo Burgard and Maria Eduarda Pinheiro
    Preprint (1/2024): Optimization Online, arXiv

13. Using Column Generation in Column-and-Constraint Generation for Adjustable Robust Optimization
    Jointly with Henri Lefebvre and Johannes Thürauf
    Preprint (10/2023): Optimization Online

14. Learning the Follower's Objective Function in Sequential Bilevel Games
    Jointly with Ioana Molan and Johannes Thürauf
    Preprint (8/2023, last update: 2/2025): Optimization Online

15. A PDE-Constrained Generalized Nash Equilibrium Approach for Modeling Gas Markets with Transport
    Jointly Veronika Grimm, Michael Hintermüller, Olivier Huber, Lars Schewe, and Gregor Zöttl
    Preprint (11/2021, last update 3/2023): TRR 154 Preprint Server, Optimization Online

Books and Publicly Available Lecture Notes

1. (Off-Topic 😉) Bessere Fotos: Bilder diskutieren, verstehen und verbessern
   Jointly with Thomas Kleinert. mitp. 2022. ISBN: 3747504558

2. A Gentle and Incomplete Introduction to Bilevel Optimization
   Lectures notes. Jointly with Yasmine Beck
   Publicly available version (last update: 7/2023): Optimization Online, TRR 154 Preprint Server

3. Optimierung von Versorgungsnetzen. Mathematische Modellierung und Lösungstechniken
   Jointly with Lars Schewe. Springer Spektrum, Berlin, Heidelberg. 2019. ISBN: 978-3-662-58538-2. DOI: 10.1007/978-3-662-58539-9
   Corresponding GitHub repository

Journal Articles

1. Relax and penalize: a new bilevel approach to mixed-binary hyperparameter optimization
   Jointly with Sara Venturini, Marianna De Santis, Jordan Patracone, Francesco Rinaldi, and Saverio Salzo
   In: Transactions on Machine Learning Research. URL: https://openreview.net/forum?id=A1R1cQ93Cb
   Preprint (last: update: 8/2023): arXiv

2. Mixed-Integer Linear Optimization for Cardinality-Constrained Random Forests
   Jointly with Jan Pablo Burgard and Maria Eduarda Pinheiro
   Accepted for publication (2/2025) in Optimization Letters. DOI: 10.1007/s11590-025-02191-8
   Preprint (last update: 1/2025): Optimization Online, arXiv

3. Adjustable Robust Nonlinear Network Design Without Controllable Elements under Load Scenario Uncertainties
   Jointly with Johannes Thürauf and Julia Grübel
   Accepted for publication (2/2025) in Mathematical Programming (Series B)
   Preprint (3/2024, last update 1/2025): Optimization Online

4. Heuristic Methods for Γ-Robust Mixed-Integer Linear Bilevel Problems
   Jointly with Yasmine Beck and Ivana Ljubic
   Accepted for publication (1/2025) in INFORMS Journal on Computing
   Preprint (4/2024, last update: 1/2025): Optimization Online

5. Connections between Robust and Bilevel Optimization
   Jointly with Marc Goerigk, Jannis Kurtz, and Johannes Thürauf
   In: Open Journal of Mathematical Optimization. 2025. DOI: 10.5802/ojmo.38. Volume 6. Number 2, Pages 1-17
   Preprint (6/2023; last update 11/2024): Optimization Online, TRR 154 Preprint Server

6. On a Tractable Single-Level Reformulation of a Multilevel Model of the European Entry-Exit Gas Market with Market Power
   Jointly with Veronika Grimm, Julia Grübel, Alexandra Schwartz, Ann-Kathrin Wiertz, and Gregor Zöttl
   Accepted for publication (10/2024) in Journal of Global Optimization.
   Preprint (11/2023; last update 9/2024): Optimization Online, TRR 154 Preprint Server

7. On Coupling Constraints in Linear Bilevel Optimization
   Jointly with Dorothee Henke, Henri Lefebvre, and Johannes Thürauf
   In: Optimization Letters. 2024. DOI: 10.1007/s11590-024-02156-3.
   Preprint (2/2024; last update 6/2024): Optimization Online, arXiv

8. A Ramsey-Type Equilibrium Model with Spatially Dispersed Agents
   Jointly with Leonhard Frerick, Georg Müller-Fürstenberger, and Max Späth
   In: Networks and Spatial Economics. DOI: 10.1007/s11067-024-09636-0. Volume 24, Number 4. Pages 869-896.
   Preprint (5/2022; last update: 6/2024): Optimization Online, SSRN

9. An Exact Method for Nonlinear Network Flow Interdiction Problems
   Jointly with Johannes Thürauf
   In SIAM Journal in Optimization. 2024. DOI: 10.1137/22M152983X. Volume 34, Number 4, Pages 3623-3652.
   Preprint (10/2022; last update 11/2023): Optimization Online, TRR 154 Preprint Server

10. A Tutorial on Solving Single-Leader-Multi-Follower Problems using SOS1 Reformulations
    Jointly with Didier Aussel and Cécile Egea
    In: International Transactions in Operational Research. 2025. DOI: 10.1111/itor.13466. Volume 32, Number 3, Pages 1227-1250
    Preprint (7/2023, last update 2/2024): Optimization Online

11. Mixed-Integer Quadratic Optimization and Iterative Clustering Techniques for Semi-Supervised Support Vector Machines
    In: TOP. Online first. DOI: 10.1007/s11750-024-00668-w.
    Jointly with Jan Pablo Burgard and Maria Eduarda Pinheiro
    Preprint (3/2023, last update 10/2023): Optimization Online, arXiv

12. On the Relation Between Affinely Adjustable Robust Linear Complementarity and Mixed-Integer Linear Feasibility Problems
    Jointly with Christian Biefel
    In: Optimization Letters. 2024. DOI: 10.1007/s11590-023-02093-7.
    Preprint (8/2022; last update 6/2023): Optimization Online, arXiv

13. Exact and Heuristic Solution Techniques for Mixed-Integer Quantile Minimization Problems
    Jointly with Diego Cattaruzza, Martine Labbé, Matteo Petris, and Marius Roland
    In: INFORMS Journal of Computing. 2024. DOI: 10.1287/ijoc.2022.0105.
    Preprint (11/2021; last update: 1/2023): Optimization Online, TRR 154 Preprint Server

14. A Consensus-Based Alternating Direction Method for Mixed-Integer and PDE-Constrained Gas Transport Problems
    Jointly with Richard Krug, Günter Leugering, Alexander Martin, and Dieter Weninger
    In: INFORMS Journal of Computing. 2023. DOI: 10.1287/ijoc.2022.0319
    Preprint (10/2022; last update: 8/2023): Optimization Online, TRR 154 Preprint Server

15. A Successive Linear Relaxation Method for MINLPs with Multivariate Lipschitz Continuous Nonlinearities
    Accepted for publication (6/2023) in the Journal of Optimization Theory and Applications. DOI: 10.1007/s10957-023-02254-9
    Jointly with Julia Grübel, Richard Krug, and Winnifried Wollner
    Preprint (8/2022, last update: 3/2023): Optimization Online, TRR 154 Preprint Server, arXiv

16. Adaptive Nonlinear Optimization of District Heating Networks Based on Model and Discretization Catalogs
    Jointly with Hannes Dänschel, Volker Mehrmann, and Marius Roland
    In: SeMA journal. DOI: 10.1007/s40324-023-00332-6.
    Preprint (1/2022, last update: 5/2023): Optimization Online, TRR 154 Preprint Server, arXiv

17. Exact Methods for Discrete Γ-Robust Interdiction Problems with an Application to the Bilevel Knapsack Problem
    Jointly with Yasmine Beck and Ivana Ljubic
    In: Mathematical Programming Computation. 2023. DOI: 10.1007/s12532-023-00244-6.
    Preprint (11/2021, last update: 4/2023): Optimization Online, TRR 154 Preprint Server

18. On a Computationally Ill-Behaved Bilevel Problem with a Continuous and Nonconvex Lower Level
    Jointly with Yasmine Beck, Johannes Thürauf, and Daniel Bienstock
    In: Journal of Optimization Theory and Applications. 2023. Online first. DOI: 10.1007/s10957-023-02238-9.
    Preprint (2/2022; last update 5/2023): Optimization Online, TRR 154 Preprint Server, arXiv

19. A Brief Introduction to Robust Bilevel Optimization
    Jointly with Yasmine Beck and Ivana Ljubic
    In: SIAG on Optimization Views and News. A Forum for the SIAM Activity Group on Optimization. 2022. Volume 30. Number 2. Pages 1-10
    Preprint (11/2022; last update: 1/2023): Optimization Online, arXiv

20. A Survey on Bilevel Optimization Under Uncertainty
    Jointly with Yasmine Beck and Ivana Ljubic
    In: European Journal on Operational Research. 2023. DOI: 10.1016/j.ejor.2023.01.008.
    Preprint (6/2022, last update: 10/2022): Optimization Online, TRR145 Preprint Server

21. Why there is no need to use a big-M in linear bilevel optimization: A computational study of two ready-to-use approaches
    Jointly with Thomas Kleinert
    In: Computational Management Science. 2023. DOI: 10.1007/s10287-023-00435-5. Online first.
    Preprint (10/2020; last update 7/2021): Optimization Online, TRR 154 Preprint Server

22. Using Neural Networks to Solve Linear Bilevel Problems with Unknown Lower Level
    Jointly with Ioana Molan
    In Optimization Letters. 2023. DOI: 10.1007/s11590-022-01958-7.
    Preprint (7/2022; last update 10/2022): Optimization Online, TRR 154 Preprint Server

23. Mixed-Integer Programming Techniques for the Minimum Sum-of-Squares Clustering Problem
    Jointly with Jan Pablo Burgard, Carina Moreira Costa, Christopher Hojny, and Thomas Kleinert
    In: Journal of Global Optimization. 2023. DOI: 10.1007/s10898-022-01267-4. Online first.
    Preprint (3/2022, last update: 11/2022): Optimization Online

24. Time-Domain Decomposition for Mixed-Integer Optimal Control Problems
    Jointly with Falk M. Hante and Richard Krug
    In: Applied Mathematics & Optimization. 2023. DOI: 10.1007/s00245-022-09949-x. Online first.
    Preprint (8/2021; last update: 11/2022): TRR 154 Preprint Server, Optimization Online

25. Hochschullehre in der Mathematik - ein wissenschaftsdidaktisches Gespräch
    Jointly with Gabi Reinmann and Frank Vohle
    In: Impact Free. 48. September 2022

26. Quo vadis, Entry-Exit-System?
    Jointly with Johannes Thürauf
    In: gwf-Gas|Erdgas, 7-8/2022. Pages 60-67. ISSN 2366-9594.

27. Nonconvex Equilibrium Models for Energy Markets: Exploiting Price Information to Determine the Existence of an Equilibrium
    Jointly with Julia Grübel, Olivier Huber, Lukas Hümbs, Max Klimm, and Alexandra Schwartz
    In: Optimization Methods and Software. 2023. DOI: 10.1080/10556788.2022.2117358. Volume 39. Number 1. Pages 153-183.
    Preprint (5/2021; last update 3/2022): TRR 154 Preprint Server, Optimization Online

28. Robustification of the k-Means Clustering Problem and Tailored Decomposition Methods: When More Conservative Means More Accurate
    Jointly with Jan Pablo Burgard and Carina Moreira Costa
    In: Annals of Operations Research. 2022. DOI: 10.1007/s10479-022-04818-w.
    Preprint (5/2020; last update: 4/2022): Optimization Online

29. A Penalty Branch-and-Bound Method for Mixed-Binary Linear Complementarity Problems
    Jointly with Marianna de Santis, Sven de Vries, and Lukas Winkel
    In: INFORMS Journal on Computing. DOI: 10.1287/ijoc.2022.1216
    Preprint (7/2021; last update 5/2022): TRR 154 Preprint Server, Optimization Online

30. An Alternating Method for Cardinality-Constrained Optimization: A Computational Study for the Best Subset Selection and Sparse Portfolio Problem
    Jointly with Carina Moreira Costa and Dennis Kreber
    In: INFORMS Journal on Computing. 2022. DOI: 10.1287/ijoc.2022.1211.
    Preprint (11/2020; last update 1/2022): Optimization Online

31. On Convex Lower-Level Black-Box Constraints in Bilevel Optimization with an Application to Gas Market Models with Chance Constraints
    Jointly with Holger Heitsch, René Henrion, and Thomas Kleinert
    In: Journal of Global Optimization. 2022. Online first. DOI: 10.1007/s10898-022-01161-z
    Preprint (2/2021; last update: 3/2022): TRR 154 Preprint Server, Optimization Online

32. On Linear Bilevel Optimization Problems with Complementarity-Constrained Lower Levels
    In: Journal of the Operational Research Society. 2021. DOI: 10.1080/01605682.2021.2015254
    Jointly with Steven A. Gabriel and Marina Leal
    Preprint (10/2020; last update 7/2021): Optimization Online, TRR 154 Preprint Server

33. Affinely Adjustable Robust Linear Complementarity Problems
    In: SIAM Journal on Optimization. 2022. DOI: 10.1137/20M1359778. Volume 32, Number 1, Pages 152-172
    Jointly with Christian Biefel, Frauke Liers, and Jan Rolfes
    Preprint (8/2020; last update 4/2021): Optimization Online, TRR 154 Preprint Server, arXiv

34. Presolving Linear Bilevel Optimization Problems
    In: EURO Journal on Computational Optimization. 2021. Volume 9. DOI: 10.1016/j.ejco.2021.100020. ISSN 2192-4406
    Jointly with Thomas Kleinert, Julian Manns, and Dieter Weninger
    Preprint (2/2021; last update 7/2021): TRR 154 Preprint Server, Optimization Online

35. Time-Domain Decomposition for Optimal Control Problems Governed by Semilinear Hyperbolic Systems with Mixed Two-Point Boundary Conditions
    Accepted for publication (11/2021) in Control and Cybernetics
    Jointly with Richard Krug, Günter Leugering, Alexander Martin, and Dieter Weninger
    Preprint (7/2021): TRR 154 Preprint Server, Optimization Online

36. The Cost of Not Knowing Enough: Mixed-Integer Optimization with Implicit Lipschitz Nonlinearities
    In: Optimization Letters. 2021. DOI: 10.1007/s11590-021-01827-9. Online first
    Jointly with Mathias Sirvent and Winnifried Wollner
    Preprint (4/2018, last update: 10/2021): Optimization Online, TRR 154 Preprint Server
    Code: GitHub

37. Global Optimization for the Multilevel European Gas Market System with Nonlinear Flow Models on Trees
    In: Journal of Global Optimization. DOI: 10.1007/s10898-021-01099-8
    Jointly with Lars Schewe and Johannes Thürauf
    Preprint (8/2020; last update 9/2021): Optimization Online, TRR 154 Preprint Server

38. A Tractable Multi-Leader Multi-Follower Peak-Load-Pricing Model with Strategic Interaction
    In: Mathematical Programming. 2022. Volume 195. Number 1. Pages 605-647. DOI: 10.1007/s10107-021-01708-0.
    Jointly with Veronika Grimm, Daniel Nowak, Lars Schewe, Alexandra Schwartz, and Gregor Zöttl
    Preprint (7/2020; last update 9/2021): Optimization Online, SSRN, TRR 154 Preprint Server

39. Strictly and Γ-Robust Counterparts of Electricity Market Models: Perfect Competition and Nash-Cournot Equilibria
    In: Operations Research Perspectives. 2021. Volume 8. Pages 100197. DOI: 10.1016/j.orp.2021.100197. ISSN: 2214-7160
    Jointly with Anja Kramer and Vanessa Krebs
    Preprint (6/2018; last update 7/2021): Optimization Online, TRR 154 Preprint Server

40. Mathematik-Vorlesungen neu denken: Vom didaktischen Design zu Design-Based Research
    In: Impact Free. 39. August 2021
    Jointly with Frank Vohle

41. A Bilevel Optimization Approach to Decide the Feasibility of Bookings in the European Gas Market
    In: Mathematical Methods of Operations Research. 2021. DOI: 10.1007/s00186-021-00752-y
    Jointly with Fränk Plein, Johannes Thürauf, and Martine Labbé
    Preprint (1/2021): Optimization Online, TRR 154 Preprint Server
    Johannes Thürauf won the GOR Young Researchers Award 2023 for this paper.

42. A Robust Approach for Modeling Limited Observability in Bilevel Optimization
    In: Operations Research Letters. 2021. 49(5). Pages 752-758. ISSN: 0167-6377. DOI: 10.1016/j.orl.2021.07.010.
    Jointly with Yasmine Beck
    Preprint (1/2021; last update 4/2021): Optimization Online, TRR 154 Preprint Server

43. A Survey on Mixed-Integer Programming Techniques in Bilevel Optimization
    In: EURO Journal on Computational Optimization. 2021. DOI: 10.1016/j.ejco.2021.100007
    Jointly with Thomas Kleinert, Martine Labbé, and Ivana Ljubic
    Preprint (1/2021; last update 4/2021): Optimization Online, TRR 154 Preprint Server

44. Time-Domain Decomposition for Optimal Control Problems Governed by Semilinear Hyperbolic Systems
    Accepted for publication (7/2021) in SIAM Journal on Control and Optimization
    Jointly with Richard Krug, Günter Leugering, Alexander Martin, and Dieter Weninger
    Preprint (11/2020; last update 7/2021): Optimization Online, TRR 154 Preprint Server

45. The Cost of Decoupling Trade and Transport in the European Entry-Exit Gas Market with Linear Physics Modeling
    In: European Journal of Operational Research. 2021. Online first. DOI: 10.1016/j.ejor.2021.06.034
    Jointly with Tom Böttger, Veronika Grimm, and Thomas Kleinert
    Preprint (6/2020; last update 4/2021): Optimization Online, TRR 154 Preprint Server

46. Complementarity Modeling of a Ramsey-Type Equilibrium Problem with Heterogeneous Agents
    In: Computational Economics. 2021. Online first. DOI: 10.1007/s10614-021-10181-y
    Jointly with Leonhard Frerick, Georg Müller-Fürstenberger, and Max Späth
    Preprint (7/2020; last update 5/2021): Optimization Online, SSRN

47. Γ-Robust Linear Complementarity Problems with Ellipsoidal Uncertainty Sets
    In: International Transactions in Operational Research. 2022. 29(1). Pages 417-441. DOI: 10.1111/itor.12988
    Jointly with Vanessa Krebs and Michael Müller
    Preprint (10/2019; last update 3/2021): Optimization Online, TRR Preprint Server

48. Extensions of the SEIR Model for the Analysis of Tailored Social Distancing and Tracing Approaches to Cope with COVID-19
    In: Nature Scientific Reports. 2021. 11(1). DOI: 10.1038/s41598-021-83540-2
    Jointly with Veronika Grimm and Friederike Mengel
    Preprint (4/2020; last update 12/2020): medRxiv

49. Solving Binary-Constrained Mixed Complementarity Problems Using Continuous Reformulations
    In: Computers & Operations Research. Volume 131. 2021. Pages 105208. ISSN 0305-0548. DOI: 10.1016/j.cor.2020.105208
    Jointly with Steven A. Gabriel and Marina Leal
    Preprint (2/2020; last update 11/2020): Optimization Online, TRR 154 Preprint Server

50. Outer Approximation for Global Optimization of Mixed-Integer Quadratic Bilevel Problems
    In: Mathematical Programming (Series B). Online first. ISBN: 1436-4646. DOI: 10.1007/s10107-020-01601-2.
    Jointly with Thomas Kleinert and Veronika Grimm
    Preprint (12/2019, last update: 11/2020): TRR 154 Preprint Server, Optimization Online

51. The Impact of Neighboring Markets on Renewable Locations, Transmission Expansion, and Generation Investment
    Jointly with Jonas Egerer, Veronika Grimm, Thomas Kleinert, and Gregor Zöttl
    Accepted for publication (11/2020) in European Journal of Operational Research.
    Preprint (12/2019; last update 10/2020): Optimization Online, TRR 154 Preprint Server, SSRN

52. Closing the Gap in Linear Bilevel Optimization: A New Valid Primal-Dual Inequality
    Jointly with Thomas Kleinert, Martine Labbé, and Fränk Plein
    In: Optimization Letters. Volume 15. Pages 1027–1040. 2021. DOI: 10.1007/s11590-020-01660-6
    Preprint (6/2020; last update 9/2020): Optimization Online, TRR 154 Preprint Server, Preprint Server ULB, Inria Preprint Server

53. Γ-Robust Electricity Market Equilibrium Models with Transmission and Generation Investments
    Jointly with Emre Çelebi and Vanessa Krebs
    In: Energy Systems. Online first. 2021. DOI: 10.1007/s12667-020-00411-x
    Preprint (1/2020; last update: 10/2020): Optimization Online, TRR 154 Preprint Server

54. Deciding feasibility of a booking in the European gas market on a cycle is in P for the case of passive networks
    Jointly with Martine Labbé, Fränk Plein, and Johannes Thürauf
    In: Networks. Online first. 2021. DOI: 10.1002/net.22003
    Preprint (11/2019; last update: 10/2020): Optimization Online, TRR Preprint Server, ULB Preprint Server, HAL-INRIA Preprint Server

55. Γ-Robust Linear Complementarity Problems
    Jointly with Vanessa Krebs
    In: Optimization Methods and Software. 2022. Volume 37, Number 2, Pages 658 - 691. DOI: 10.1080/10556788.2020.1825708
    Preprint (3/2019; last update 2/2020): Optimization Online, TRR Preprint Server

56. Mixed-Integer Nonlinear Optimization for District Heating Network Expansion
    Jointly with Marius Roland
    Accepted for publication (9/2020) in at - Automatisierungstechnik. DOI: 10.1515/auto-2020-0063
    Preprint (4/2020; last update 9/2020): Optimization Online, TRR 154 Preprint Server

57. Portfolio Optimization with Irreversible Long-Term Investments in Renewable Energy under Policy Risk: A Mixed-Integer Multistage Stochastic Model and a Moving-Horizon-Approach
    Jointly with Nadine Gatzert, Alexander Martin, Benjamin Seith, and Nikolai Vogl
    In: European Journal of Operational Research. 2020. DOI: 10.1016/j.ejor.2020.08.033
    Preprint (6/2019; last update 8/2020): Optimization Online, TRR Preprint Server

58. Optimal Design of Retailer-Prosumer Electricity Tariffs Using Bilevel Optimization
    Jointly with Veronika Grimm, Galina Orlinskaya, Lars Schewe, and Gregor Zöttl
    In: Omega. 2021. Volume 102. Pages 102327. ISSN: 0305-0483. DOI: 10.1016/j.omega.2020.102327
    Preprint (7/2019; last update: 8/2020): Optimization Online, TRR Preprint Server

59. Nonlinear Optimization of District Heating Networks
    Jointly with Richard Krug and Volker Mehrmann
    In: Optimization and Engineering. 2021. 22(2). Pages 783-819. DOI: 10.1007/s11081-020-09549-0.
    Preprint (10/2019; last update 4/2020): Optimization Online, TRR Preprint Server, arXiv

60. Endogenous Price Zones and Investment Incentives in Electricity Markets: An Application of Multilevel Optimization with Graph Partitioning
    Jointly with Mirjam Ambrosius, Veronika Grimm, Thomas Kleinert, Frauke Liers, and Gregor Zöttl
    In: Energy Economics. 2020. Volume 92. DOI: 10.1016/j.eneco.2020.104879
    Preprint (10/2018; last update 1/2020): Optimization Online, TRR Preprint Server, SSRN

61. Computing Technical Capacities in the European Entry-Exit Gas Market is NP-Hard
    Jointly with Lars Schewe and Johannes Thürauf
    In: Annals of Operations Research. 2020. Volume 295. Pages 337-362. DOI: 10.1007/s10479-020-03725-2
    Preprint (1/2020, last update: 8/2020): TRR 154 Preprint Server, Optimization Online

62. Mixed-Integer Programming Techniques for the Connected Max-k-Cut Problem
    Jointly with Christopher Hojny, Imke Joormann, and Hendrik Lüthen
    In: Mathematical Programming Computation. DOI: 10.1007/s12532-020-00186-3
    Preprint (7/2018; last update 6/2019): Optimization Online, TRR 154 Preprint Server

63. A Decomposition Heuristic for Mixed-Integer Supply Chain Problems
    Jointly with Lars Schewe and Dieter Weninger
    In: Operations Research Letters. Vol. 48, Nr. 3. Pages 225-232. DOI: 10.1016/j.orl.2020.02.006. ISSN: 0167-6377
    Preprint (3/2019; last update: 2/2020): Optimization Online, TRR Preprint Server

64. Optimization Techniques for Tree-Structured Nonlinear Problems
    Jointly with Jens Hübner and Marc C. Steinbach
    In: Computational Management Science. Vol. 17, Nr. 3. Pages 409-436. DOI: 10.1007/s10287-020-00362-9
    Preprint (2/2017; last update 5/2019): Optimization Online

65. Computing Feasible Points of Bilevel Problems with a Penalty Alternating Direction Method
    Jointly with Thomas Kleinert
    In: INFORMS Journal on Computing. Volume 33, Number 1, Pages 198-215. DOI: 10.1287/ijoc.2019.0945
    Preprint (3/2019; last update 11/2019): Optimization Online, TRR Preprint Server
    The data supplement for this paper can be found at GitHub.

66. Modeling Hydrogen Networks for Future Energy Systems: A Comparison of Linear and Nonlinear Approaches
    Jointly with Markus Reuß, Lara Welder, Johannes Thürauf, Jochen Linßen, Thomas Grube, Lars Schewe, Detlef Stolten, and Martin Robinius
    In: International Journal of Hydrogen Energy. Online first. ISSN: 0360-3199. DOI: 10.1016/j.ijhydene.2019.10.080
    Preprint (8/2019): engrXiv. DOI: 10.31224/osf.io/hsjme

67. On Electricity Market Equilibria with Storages: Modeling, Uniqueness, and a Distributed ADMM
    Jointly with Julia Grübel, Thomas Kleinert, Vanessa Krebs, Galina Orlinskaya, Lars Schewe, and Johannes Thürauf
    In: Computers & Operations Research. Vol. 114. 2020. DOI: 10.1016/j.cor.2019.104783. ISSN: 0305-0548
    Preprint (3/2019; last update 7/2019): Optimization Online, TRR Preprint Server

68. There's No Free Lunch: On the Hardness of Choosing a Correct Big-M in Bilevel Optimization
    Jointly with Thomas Kleinert, Martine Labbé, and Fränk Plein
    In: Operations Research. 68(6). 2020. Pages 1716-1721. DOI: 10.1287/opre.2019.1944
    Preprint (4/2019; last update: 8/2019): Optimization Online, TRR Preprint Server, ULB Preprint Server, HAL-INRIA Preprint Server

69. Convergence of Finite-Dimensional Approximations for Mixed-Integer Optimization with Differential Equations
    Jointly with Falk M. Hante
    To appear in in Control and Cybernetics. 48(2). 2019. Pages 209-230
    Preprint (12/2018; last update 3/2019): Optimization Online, TRR Preprint Server

70. Structural Properties of Feasible Bookings in the European Entry-Exit Gas Market System
    Jointly with Lars Schewe and Johannes Thürauf
    In: 4OR. 2020. Volume 18. Pages: 197-218. DOI: 10.1007/s10288-019-00411-3
    Preprint (9/2018; last update 6/2019): Optimization Online, TRR 154 Preprint Server

71. Bookings in the European Gas Market: Characterisation of Feasibility and Computational Complexity Results
    Jointly with Martine Labbé and Fränk Plein
    In: Optimization and Engineering. 2020. Volume 21. Number 1. Pages 305-334. ISSN: 1573-2924. DOI: 10.1007/s11081-019-09447-0
    Preprint (12/2018; last update 6/2019): Optimization Online, TRR Preprint Server, ULB Preprint Server

72. Complementarity-based nonlinear programming techniques for optimal mixing in gas networks
    Jointly with Falk M. Hante
    In: EURO Journal on Computational Optimization. 2019. Volume 7. Issue 3. Pages 299-323. ISSN: 2192-4414. DOI: 10.1007/s13675-019-00112-w
    Preprint (9/2017; last update: 6/2018): Optimization Online, TRR 154 Preprint Server

73. Global Optimization of Multilevel Electricity Market Models Including Network Design and Graph Partitioning
    Jointly with Thomas Kleinert
    In: Discrete Optimization. 2019. 33. Pages: 43-69. ISSN: 1572-5286. DOI: 10.1016/j.disopt.2019.02.002
    Preprint (2/2018; last update: 10/2018): Optimization Online, TRR 154 Preprint Server

74. The Impact of Potential-Based Physics Models on Pricing in Energy Networks
    Jointly with Lars Schewe
    In: Central European Journal of Operations Research. 2020. 28(3). Pages: 1003-1029. DOI: 10.1007/s10100-019-00616-1
    Preprint (7/2015; last update: 11/2018): SSRN, TRR 154 Preprint Server, Optimization Online
    GAMS source code files: zip archive

75. Robust Optimal Discrete Arc Sizing for Tree-Shaped Potential Networks
    Jointly with Martin Robinius, Lars Schewe, Detlef Stolten, Johannes Thürauf, and Lara Welder
    In: Computational Optimization and Applications. 2019. 73(3). Pages 791-819. ISSN: 1573-2894. DOI: 10.1007/s10589-019-00085-x
    Preprint (2/2018; last update: 11/2018): Optimization Online, TRR 154 Preprint Server

76. Algorithmic Results for Potential-Based Flows: Easy and Hard Cases
    Jointly with Martin Groß, Marc E. Pfetsch, Lars Schewe, and Martin Skutella
    In: Networks. 2019. 73(3). Pages 306-324. DOI: 10.1002/net.21865
    Preprint (8/2017; last update 5/2018): Optimization Online, TRR 154 Preprint Server

77. Nonconvex Equilibrium Models for Gas Market Analysis: Failure of Standard Techniques and Alternative Modeling Approaches
    Jointly with Veronika Grimm, Julia Grübel, Lars Schewe, and Gregor Zöttl
    In: European Journal on Operational Research. 2019. 273(3). ISSN 0377-2217. Pages 1097-1108. DOI: 10.1016/j.ejor.2018.09.016
    Preprint (11/2017; last update: 7/2018): TRR 154 Preprint Server, Optimization Online, SSRN

78. A Multilevel Model of the European Entry-Exit Gas Market
    Jointly with Veronika Grimm, Lars Schewe, and Gregor Zöttl
    In: Mathematical Methods of Operations Research. 2019. 89(2). DOI: 10.1007/s00186-018-0647-z. ISSN 1432-5217. Pages 223-255
    Preprint (5/2017; last update: 4/2018): Optimization Online, TRR 154 Preprint Server

79. Model and Discretization Error Adaptivity within Stationary Gas Transport Optimization
    Jointly with Volker Mehrmann and Jeroen J. Stolwijk
    In: Vietnam Journal of Mathematics. 2018. 46(4). DOI: 10.1007/s10013-018-0303-1. ISSN 2305-2228. Pages 779-801.
    Preprint (12/2017): Optimization Online. TRR 154 Preprint Server

80. A Decomposition Method for MINLPs with Lipschitz Continuous Nonlinearities
    Jointly with Mathias Sirvent and Winnifried Wollner
    In: Mathematical Programming. 2019. 178(1). Pages 449-483. ISSN: 1436-4646. DOI: 10.1007/s10107-018-1309-x
    Preprint (7/2017; last update 6/2018): Optimization Online, TRR 154 Preprint Server

81. Computing Feasible Points for Binary MINLPs with MPECs
    Jointly with Lars Schewe
    In: Mathematical Programming Computation. 2019. 11(1). DOI: 10.1007/s12532-018-0141-x. Pages 95-118. ISSN: 1867-2957
    Preprint (12/2016, last update 6/2018): Optimization Online, TRR Preprint Server

82. Uniqueness of Market Equilibria on Networks with Transport Costs
    Jointly with Vanessa Krebs
    In: Operations Research Perspectives. 2018. 5. DOI: 10.1016/j.orp.2018.05.002. Pages 169-173. ISSN: 2214-7160
    Preprint (11/2017; last update 4/2018): Optimization Online, TRR 154 Preprint Server

83. Uniqueness and Multiplicity of Market Equilibria on DC Power Flow Networks
    Jointly with Vanessa Krebs and Lars Schewe
    In: European Journal on Operations Research. 2018. 271(1). Pages 165-178. DOI: 10.1016/j.ejor.2018.05.016
    Preprint (10/2017; last update 5/2018): Optimization Online, TRR 154 Preprint Server

84. Nonoverlapping Domain Decomposition for Optimal Control Problems governed by Semilinear Models for Gas Flow in Networks
    Jointly with Günter Leugering, Alexander Martin, and Mathias Sirvent
    In: Control and Cybernetics. 2017. 46(3). Pages 191-225
    Preprint (11/2017): Optimization Online

85. GasLib - A Library of Gas Network Instances
    Jointly with Denis Aßmann, Robert Burlacu, Jesco Humpola, Imke Joormann, Nikolaos Kanelakis, Thorsten Koch, Djamal Oucherif, Marc E. Pfetsch, Lars Schewe, Robert Schwarz, and Mathias Sirvent
    In: Data. 2017. 2(4). DOI: 10.3390/data2040040
    Preprint (last update 11/2017): Optimization Online. TRR 154 Preprint Server

86. MIP-Based Instantaneous Control of Mixed-Integer PDE-Constrained Gas Transport Problems
    Jointly with Martin Gugat, Günter Leugering, Alexander Martin, Mathias Sirvent, and David Wintergerst
    In: Computational Optimization and Applications. 70(1). 2018. Pages 267-294. DOI: 10.1007/s10589-017-9970-1
    Preprint (last update 10/2017): Optimization Online

87. Optimal Price Zones of Electricity Markets: A Mixed-Integer Multilevel Model and Global Solution Approaches
    Jointly with Veronika Grimm, Thomas Kleinert, Frauke Liers, and Gregor Zöttl
    In: Optimization Methods and Software. 34(2). 2019. Pages 406-436. DOI: 10.1080/10556788.2017.1401069
    Preprint: Optimization Online, TRR 154 Preprint Server

88. Towards Simulation Based Mixed-Integer Optimization with Differential Equations
    Jointly with Martin Gugat, Günter Leugering, Alexander Martin, Mathias Sirvent, and David Wintergerst
    In: Networks. 72(1). 2018. Pages: 60-83. DOI: 10.1002/net.21812.
    Preprint (4/2017): Optimization Online, TRR Preprint Server

89. Solving Highly Detailed Gas Transport MINLPs: Block Separability and Penalty Alternating Direction Methods
    Jointly with Björn Geißler, Antonio Morsi, and Lars Schewe
    In: INFORMS Journal on Computing. 30(2). 2018. Pages 309-323. DOI: 10.1287/ijoc.2017.0780
    Preprint (6/2016): Optimization Online.

90. Penalty Alternating Direction Methods for Mixed-Integer Optimization: A New View on Feasibility Pumps
    Jointly with Björn Geißler, Antonio Morsi, and Lars Schewe
    In: SIAM Journal on Optimization. 27(3). 2017. Pages 1611-1636. DOI: 10.1137/16M1069687
    Preprint (4/2016): Optimization Online, arXiv.

91. Uniqueness of Market Equilibrium on a Network: A Peak-Load Pricing Approach
    Jointly with Veronika Grimm, Lars Schewe, and Gregor Zöttl
    In: European Journal on Operational Research. 261(3). 2017. Pages 971-983. DOI: 10.1016/j.ejor.2017.03.036
    Preprint (5/2016): Optimization Online

92. A Distributed Interior-Point KKT-Solver for Multistage Stochastic Optimization
    Jointly with Jens Hübner and Marc C. Steinbach
    In: INFORMS Journal on Computing. 29(4). 2017. Pages 612-630. DOI: 10.1287/ijoc.2017.0748
    Preprint (2/2016): Optimization Online
    Data of the portfolio selection problems.

93. Transmission and Generation Investment in Electricity Markets: The Effects of Market Splitting and Network Fee Regimes
    Jointly with Veronika Grimm, Alexander Martin, Martin Weibelzahl and Gregor Zöttl
    In: European Journal of Operational Research. 254(2). 2016, Pages 493-509. DOI: 10.1016/j.ejor.2016.03.044
    Preprint (3/2015): Optimization Online

94. Computational optimization of gas compressor stations: MINLP models versus continuous reformulations
    Jointly with Daniel Rose, Marc C. Steinbach and Bernhard M. Willert
    In: Mathematical Methods of Operations Research. 83(3). 2016. Pages 409 - 444. DOI: 10.1007/s00186-016-0533-5
    Preprint (2/2015): Optimization Online

95. High Detail Stationary Optimization Models for Gas Networks: Validation and Results
    Jointly with Marc C. Steinbach and Bernhard M. Willert
    In: Optimization and Engineering, 17(2). 2016. Pages 437-472. DOI: 10.1007/s11081-015-9300-3
    Preprint: Optimization Online
    Data of the computational results can be found here

96. Mathematische Modellierung, Simulation und Optimierung von Gastransportnetzwerken
    Jointly with Pia Domschke, Martin Groß, Falk Hante, Benjamin Hiller, and Lars Schewe
    In: gwf-Gas|Erdgas, 11/2015. 156(11). Pages 880-885

97. Solving power-constrained gas transportation problems using an MIP-based alternating direction method
    Jointly with Björn Geißler, Antonio Morsi and Lars Schewe
    In: Computers & Chemical Engineering. 2015. 82. Pages 303-317. DOI: 10.1016/j.compchemeng.2015.07.005
    Preprint (11/2014): Optimization Online

98. An Interior-Point Method for Nonlinear Optimization Problems with Locatable and Separable Nonsmoothness
    In EURO Journal on Computational Optimization. 2015. 3(4). Pages 309-348. DOI: 10.1007/s13675-015-0039-6
    Preprint (04/2014): Optimization Online

99. High detail stationary optimization models for gas networks
    Jointly with Marc C. Steinbach and Bernhard M. Willert
    In: Optimization and Engineering. 2015. 16(1). Pages 131-164. DOI: 10.1007/s11081-014-9246-x
    Preprint: IfAM Preprint 94

100. Validation of Nominations in Gas Network Optimization: Models, Methods, and Solutions
     Jointly with Marc E. Pfetsch, Armin Fügenschuh, Björn Geißler, Nina Geißler, Ralf Gollmer, Benajmin Hiller, Jesco Humpola, Thorsten Koch, Thomas Lehmann, Alexander Martin, Antonio Morsi, Jessica Rövekamp, Lars Schewe, Rüdiger Schultz, Robert Schwarz, Jonas Schweiger, Claudia Stangl, Marc C. Steinbach, Stefan Vigerske and Bernhard M. Willert
     In: Optimization Methods and Software. 2015. 30(1). Pages 15-53. DOI: 10.1080/10556788.2014.888426
     Preprint: ZIB Report 12-41 [pdf], Optimization Online

101. Mathematical optimization for challenging network planning problems in unbundled liberalized gas markets
     Jointly with Armin Fügenschuh, Björn Geißler, Ralf Gollmer, Christine Hayn, René Henrion, Benjamin Hiller, Jesco Humpola, Thorsten Koch, Thomas Lehmann, Alexander Martin, Radoslava Mirkov, Antonio Morsi, Jessica Rövekamp, Lars Schewe, Rüdiger Schultz, Robert Schwarz, Jonas Schweiger, Claudia Stangl, Marc C. Steinbach and Bernhard M. Willert
     In: Energy Systems. 2014. 5(3). Pages 449-473. DOI: 10.1007/s12667-013-0099-8
     Preprint: ZIB Report 13-13 [pdf]

Refereed Articles in Books and Conference Volumes

1. A Gauss-Seidel method for solving multi-leader-multi-follower games
   Accepted for publication in the proceedings of the 23rd European Control Conference (ECC25)
   Jointly with Filippo Fabiani, Barbara Franci, and Mathias Staudigl
   Preprint (3/2024, last update: 11/2024): arXiv

2. Gas Transport Network Optimization: Mixed-Integer Nonlinear Models
   Jointly with Falk Hante
   In: Encyclopedia of Optimization. Edited by Panos M. Pardalos and Oleg A. Prokopyev. 2024. DOI: 10.1007/978-3-030-54621-2_873-1.
   Preprint (1/2023): Optimization Online, TRR 154 Preprint Server

3. Gas Transport Network Optimization: PDE-Constrained Models
   Jointly with Falk M. Hante
   In: Encyclopedia of Optimization. Edited by Panos M. Pardalos and Oleg A. Prokopyev. 2024. DOI: 10.1007/978-3-030-54621-2_872-1.
   Preprint (1/2023): Optimization Online, TRR 154 Preprint Server

4. A Penalty Branch-and-Bound Method for Mixed-Integer Quadratic Bilevel Problems. Part I: Key Ideas and a Fixed Parameter Setting
   Jointly with Andreas Horländer
   In: Operations Research Proceedings 2022 (edited by Grothe, Oliver and Nickel, Stefan and Rebennack, Steffen and Stein, Oliver) . DOI: 10.1007/978-3-031-24907-5_17. Pages 139-145. 2023.
   Preprint (7/2022): Optimization Online, TRR 154 Preprint Server

5. A Penalty Branch-and-Bound Method for Mixed-Integer Quadratic Bilevel Problems. Part II: Penalty Updates and Numerical Results
   Jointly with Andreas Horländer
   In: Operations Research Proceedings 2022 (edited by Grothe, Oliver and Nickel, Stefan and Rebennack, Steffen and Stein, Oliver) . DOI: 10.1007/978-3-031-24907-5_18. Pages 147-153. 2023
   Preprint (7/2022): Optimization Online, TRR 154 Preprint Server

6. Proximal-like algorithms for equilibrium seeking in mixed-integer Nash equilibrium problems
   Jointly with Filippo Fabiani, Barbara Franci, Simone Sagratella, and Mathias Staudigl
   Accepted for publication in the proceedings of the 61st IEEE Conference on Decision and Control
   Preprint (3/2022): arXiv

7. Finance, Regulations, Politics and Market Design
   Jointly with H. Helmberg, F. Lacalandra, C. Henriques, A. De Filippo, M. Lombardi, M. Milano, P. Ezran, Y. Haddad, M. Diekerhof, and M. Madani
   Chapter in “Mathematical Optimization for Efficient and Robust Energy Networks” (edited by Natalia Selini Hadjidimitriou, Antonio Frangioni, Thorsten Koch, and Andrea Lodi). 2021. Springer International Publishing. Cham. Pages 59-75. DOI: 10.1007/978-3-030-57442-0_4. ISBN: 978-3-030-57442-0.

8. Finance and Regulations
   Jointly with F. Lacalandra
   Chapter in “Mathematical Optimization for Efficient and Robust Energy Networks” (edited by Natalia Selini Hadjidimitriou, Antonio Frangioni, Thorsten Koch, and Andrea Lodi). 2021. Springer International Publishing. Cham. Pages 107-110. DOI: 10.1007/978-3-030-57442-0_7. ISBN: 978-3-030-57442-0.

9. Port-Hamiltonian modeling of district heating networks
   Jointly with Sarah-Alexa Hauschild, Nicole Marheineke, Volker Mehrmann, Jan Mohring, Arbi Moses Badlyan, and Markus Rein
   In: Progress in Differential Algebraic Equations II (edited by Reis T., Grundel S., and Schöps S). Differential-Algebraic Equations Forum”. DOI: 10.1007/978-3-030-53905-4_11
   Preprint (8/2019; last update 3/2020): arXiv, TRR Preprint Server

10. Capacity Evaluation for Large-Scale Gas Networks
    Jointly with Benjamin Hiller, Thorsten Koch, Marc E. Pfetsch, Björn Geißler, René Henrion, Imke Joormann, Alexander Martin, Antonio Morsi, Werner Römisch, Lars Schewe, Rüdiger Schultz, and Marc C. Steinbach
    In: German Success Stories in Industrial Mathematics (edited by Hans Georg Bock, Karl-Heinz Küfer, Peter Maass, Anja Milde, and Volker Schulz), Mathematics in Industry, Springer, 2021. DOI: 10.1007/978-981-10-3758-0_5
    Preprint (11/2019; last update: 2/2020): TRR Preprint Server

11. Challenges in optimal control problems for gas and fluid flow in networks of pipes and canals: From modeling to industrial applications
    Jointly with Falk M. Hante, Günter Leugering, Alexander Martin, and Lars Schewe
    In: Industrial Mathematics and Complex systems: Emerging Mathematical Models, Methods and Algorithms (Eds.: Manchanda, Pammy and Lozi, René and Siddiqi, Abul Hasan). 2017. Pages: 77-122. DOI: 10.1007/978-981-10-3758-0_5
    Preprint (2016)

12. Physical and technical fundamentals of gas networks
    Jointly with Armin Fügenschuh, Björn Geißler, Ralf Gollmer, Antonio Morsi, Marc E. Pfetsch, Jessica Rövekamp, Klaus Spreckelsen, and Marc C. Steinbach
    In: Thorsten Koch, Benjamin Hiller, Marc E. Pfetsch, Lars Schewe (Eds.), Evaluating Gas Network Capacities
    MOS-SIAM Series on Optimization. 3/2015. ISBN 978-1-611973-68-6. DOI 10.1137/1.9781611973693.ch2.

13. An MPEC based heuristic
    Jointly with Marc C. Steinbach and Bernhard M. Willert
    In: Thorsten Koch, Benjamin Hiller, Marc E. Pfetsch, Lars Schewe (Eds.), Evaluating Gas Network Capacities
    MOS-SIAM Series on Optimization. 3/2015. ISBN 978-1-611973-68-6. DOI 10.1137/1.9781611973693.ch9.

14. The precise NLP model
    Jointly with Marc C. Steinbach and Bernhard M. Willert
    In: Thorsten Koch, Benjamin Hiller, Marc E. Pfetsch, Lars Schewe (Eds.), Evaluating Gas Network Capacities
    MOS-SIAM Series on Optimization. 3/2015. ISBN 978-1-611973-68-6. DOI 10.1137/1.9781611973693.ch10.

15. What does "feasible" mean?
    Jointly with Imke Joormann, Marc C. Steinbach and Bernhard M. Willert
    In: Thorsten Koch, Benjamin Hiller, Marc E. Pfetsch, Lars Schewe (Eds.), Evaluating Gas Network Capacities
    MOS-SIAM Series on Optimization. 3/2015. ISBN 978-1-611973-68-6. DOI 10.1137/1.9781611973693.ch11.

16. Computational results for validation of nominations
    Jointly with Benjamin Hiller, Jesco Humpola, Thomas Lehmann, Ralf Lenz, Antonio Morsi, Marc E. Pfetsch, Lars Schewe, Robert Schwarz, Jonas Schweiger, Claudia Stangl, Bernhard M. Willert
    In: Thorsten Koch, Benjamin Hiller, Marc E. Pfetsch, Lars Schewe (Eds.), Evaluating Gas Network Capacities
    MOS-SIAM Series on Optimization. 3/2015. ISBN 978-1-611973-68-6. DOI 10.1137/1.9781611973693.ch12.

17. A Primal Heuristic for Nonsmooth Mixed Integer Nonlinear Optimization
    Jointly with Marc C. Steinbach and Bernhard M. Willert
    In: Michael Jünger, Gerhard Reinelt (Eds.), Facets of Combinatorial Optimization - Festschrift for Martin Grötschel, 295-320. Springer, 2013
    Preprint (2012): IfAM Preprint 95

18. Optimierung Technischer Kapazitäten in Gasnetzen
    Jointly with Alexander Martin, Björn Geißler, Christine Hayn, Antobio Morsi, Lars Schewe, Benjamin Hiller, Jesco Humpola, Thorsten Koch, Thomas Lehmann, Robert Schwarz, Jonas Schweiger, Marc E. Pfetsch, Marc C. Steinbach, Bernhard Willert and Rüdiger Schultz
    In: Optimierung in der Energiewirtschaft, VDI-Berichte 2157, 2011
    Preprint (2011): ZIB Report 11-56 [pdf]

19. Using the Inhomogeneous Simultaneous Approximation Problem for Cryptographic Design
    Jointly with Frederik Armknecht and Carsten Elsner
    In: Abderrahmane Nitaj, David Pointcheval (Eds.), Progress in Cryptology - AFRICACRYPT 2011 4th International Conference on Cryptology in Africa, Dakar, Senegal, July 5-7, 2011. Proceedings. Lecture Notes in Computer Science Vol. 6737, Springer, 2011

Technical Reports

1. KronCrypt - A New Symmetric Cryptosystem Based on Kronecker's Approximation Theorem
   Jointly with Carsten Elsner
   Cryptology ePrint Archive, Report 2009/416. 2009. PDF version

2. Über Aspekte des Designs symmetrischer Verschlüsselungsverfahren mit einer Anwendung auf ein neues Kryptosystem
   Forschungsberichte der FHDW Hannover (ISSN 1863-7043), Bericht Nr.: 02008/02, Dezember 2008

Thesis

1. A Generic Interior-Point Framework for Nonsmooth and Complementarity Constrained Nonlinear Optimization
   Dissertation, Leibniz Universität Hannover

2. Über Aspekte des Designs symmetrischer Verschlüsselungsverfahren mit einer Anwendung auf ein neues Kryptosystem
   Diplomarbeit am Institut für Algebra, Zahlentheorie und Diskrete Mathematik, Leibniz Universität Hannover

3. Approximation der medialen Achse polygonal berandeter Gebiete in der euklidischen Ebene
   Studienarbeit am Institut für Mensch-Maschine-Kommunikation, FG Graphische Datenverarbeitung, Leibniz Universität Hannover

Reviews

1. Book review of “Nonlinear Optimization” by Francisco J. Aragón, Miguel A. Goberna, Marco A. López, and Margarita M. L. Rodríguez
   In: SIAM Review. 62(2). 2020. Pages 521-522. DOI: 10.1137/20N975038.

Lecture Notes

1. Lecture notes (Vorlesungsskript): “Nonlinear Optimization”
   Summer term 2019

2. Lecture notes (Vorlesungsskript): "Lineare Algebra"
   Winter term 2018/2019; based on the lecture notes of Volker Schulz

3. Lecture notes (Vorlesungsskript): "Lineare Komplementaritätsprobleme"
   Summer term 2017; based on the book “The Linear Complementarity Problem” by Richard W. Cottle, Jong-Shi Pang, and Richard E. Stone

4. Lecture notes (Vorlesungsskript) "Lineare und kombinatorische Optimierung"
   Winter term 2016/2017; based on the lecture notes of Alexander Martin

5. Lecture notes (Vorlesungsskript) "Robuste Optimierung"
   Summer term 2016; based on the lecture notes of Frauke Liers

6. Lecture notes (Vorlesungsskript) "Optimierung von Versorgungsnetzen"
   Jointly with Lars Schewe. Winter term 2015/2016 and summer term 2017
   See the corresponding book Optimierung von Versorgungsnetzen. Mathematische Modellierung und Lösungstechniken Lars Schewe and me as well as the corresponding GitHub repository

7. Lecture notes (Vorlesungsskript) "Mathematische Optimierungsprobleme mit Gleichgewichtsnebenbedingungen"
   Summer term 2015; based on the book “Mathematical Programs with Equilibrium Constraints” by Zhi-Quan Luo, Jong-Shi Pang, and Daniel Ralph

8. Lecture notes (Vorlesungsskript) "Innere-Punkte-Methoden für lineare und nichtlineare Optimierungsprobleme"
   Summer terms 2013 and 2014

Miscellaneous

1. (My personal opinions on) how to give a talk
   Last update during July 2022