BOBILib: Bilevel Optimization (Benchmark) Instance Library
International Conference on Bilevel Optimization (ICBO) 2026
Pittsburgh, USA
Talks
Selected invited presentations and a chronological archive of lectures, seminars, and conference talks.
Recent Talks
Nonlinear Flows Meet Bilevel and Robust Optimization
EUROPT 2026
Linz, Austria
A Gentle and Incomplete Introduction to Bilevel Optimization … and Some New Results
Summer school of the EUROPT 2026
Linz, Austria
The Burial of Coupling Constraints in Linear Bilevel Optimization
Colloquium of the Institute of Mathematics · TU Clausthal
Germany
A One-Extra Player Reduction of GNEPs to NEPs
VAME 2026
Rancagua, Chile
A Gentle and Incomplete Introduction to Bilevel Optimization … and Some New Results
Autumn School “Equilibrium Problems” of the SFB Transregio 154 “Mathematische Modellierung, Simulation und Optimierung am Beispiel von Gasnetzwerken” · Humboldt-Universität zu Berlin
Berlin, Germany
Plenary & Keynote Talks
Nonlinear Flows Meet Bilevel and Robust Optimization
EUROPT 2026
Linz, Austria
A Gentle and Incomplete Introduction to Linear Bilevel Optimization … and a Tiny New Result
5th EUROYoung Workshop 2025
Naples, Italy
The Burial of Coupling Constraints in Linear Bilevel Optimization
Global Optimization Workshop 2025
Stockholm, Sweden
A Gentle and Incomplete Introduction to Bilevel Optimization
24th edition of the Belgian Mathematical Optimization Workshop
La Roche-en-Ardennes, Belgium
15 Years of Gas Network Optimization
Conference on Applied, Computational and Algorithmic Optimization (CACAO) 2023
Leibniz Universität Hannover, Germany
Matchmaking Bilevel and (Γ-)Robust Optimization
International Conference on Bilevel Optimization
Southampton, UK
Block Decomposition of Large-Scale MINLPs and (Penalty) Alternating Direction Methods
III Sevilla MINLP Workshop
University of Seville, IMUS, Spain
Some Recent Results and Thoughts on Bilevel Optimization Under Uncertainty
Dagstuhl seminar “Optimization at the Second Level”
Dagstuhl, Germany
Recent algorithmic advances in bilevel optimization
32nd EURO Conference
Aalto University, Espoo, Finland
Multilevel Optimization: Basics, an Application to the European Gas Market, and an Open Research Problem
SIAM UKIE National Student Chapter Conference
University of Edinburgh, Scotland, UK
Invited Talks
A Gentle and Incomplete Introduction to Bilevel Optimization … and Some New Results
Summer school of the EUROPT 2026
Linz, Austria
The Burial of Coupling Constraints in Linear Bilevel Optimization
Colloquium of the Institute of Mathematics · TU Clausthal
Germany
A One-Extra Player Reduction of GNEPs to NEPs
VAME 2026
Rancagua, Chile
A Gentle and Incomplete Introduction to Bilevel Optimization … and Some New Results
Autumn School “Equilibrium Problems” of the SFB Transregio 154 “Mathematische Modellierung, Simulation und Optimierung am Beispiel von Gasnetzwerken” · Humboldt-Universität zu Berlin
Berlin, Germany
Nonlinear Flows Meet Bilevel and Robust Optimization
Seminar at Universität Zürich · Universität Zürich
Zürich, Schweiz
The Burial of Coupling Constraints in Linear Bilevel Optimization
Seminar at CMM · CMM
Santiago, Chile
A Primer on Bilevel Optimization Under Uncertainty
Seminar of the WIAS · WIAS
Berlin, Germany
A Primer on Bilevel and Robust Optimization
3rd International Workshop on Bilevel Optimization – IWOBIP'24
Rancagua, Chile
The Minimum Sum-of-Squares Clustering Problem: Robustification and Global Optimization Techniques
NeEDS seminar series
Online
A Primer on Bilevel Optimization Under Uncertainty
Seminar at Università degli Studi di Brescia · Università degli Studi di Brescia
Brescia, Italy
Bilevel Optimization: Some Basics, the European Gas Market under Uncertainty, and an Open Research Problem
Seminar of the Institut of Applied Mathematics · Leibniz Universität Hannover
Hannover, Germany
A Primer on Bilevel Optimization Under Uncertainty
Department of Computer, Control and Management Engineering · Sapienza, Università di Roma
Rome, Italy
The Minimum Sum-of-Squares Clustering Problem: Robustification and Global Optimization Techniques
ESSEC Business School Paris
Paris, France
Bilevel Optimization: Some Basics, the European Gas Market under Uncertainty, and an Open Research Problem
AdONE Seminar · TU München
München, Germany · Online
The Minimum Sum-of-Squares Clustering Problem: Robustification and Global Optimization Techniques
OASYS Seminar Series · University of Málaga
Málaga, Spain
Multilevel Optimization: Basics, an Application to the European Gas Market, and an Open Research Problem
Institut für Mathematik · Humboldt-Universität zu Berlin
Berlin, Germany
The Cost of Not Knowing Enough: Mixed-Integer Optimization with Lipschitz Nonlinearities
Seminar series of the department of mathematics · KTH Stockholm
Stockholm, Sweden
Mixed-Integer Optimization: State of the Art and Applications
Invited Talk, NEC Laboratories Europe GmbH
Heidelberg, Germany
Network Expansion, Price Zones, and Investment Incentives in Electricity Markets: An Application of Multi-Level Optimization to the German Electricity Market
Eingeladener Vortrag bei Siemens zum Thema “Mathematical Algorithms for Comprehensive Energy Management Systems”
Erlangen
Mathematische Optimierung im Energiebereich
Eingeladener Vortrag bei der sonnen GmbH
Wildpoldsried
Full Archive
BOBILib: Bilevel Optimization (Benchmark) Instance Library
International Conference on Bilevel Optimization (ICBO) 2026
Pittsburgh, USA
Nonlinear Flows Meet Bilevel and Robust Optimization
EUROPT 2026
Linz, Austria
A Gentle and Incomplete Introduction to Bilevel Optimization … and Some New Results
Summer school of the EUROPT 2026
Linz, Austria
The Burial of Coupling Constraints in Linear Bilevel Optimization
Colloquium of the Institute of Mathematics · TU Clausthal
Germany
A One-Extra Player Reduction of GNEPs to NEPs
VAME 2026
Rancagua, Chile
A Gentle and Incomplete Introduction to Bilevel Optimization … and Some New Results
Autumn School “Equilibrium Problems” of the SFB Transregio 154 “Mathematische Modellierung, Simulation und Optimierung am Beispiel von Gasnetzwerken” · Humboldt-Universität zu Berlin
Berlin, Germany
A Gentle and Incomplete Introduction to Linear Bilevel Optimization … and a Tiny New Result
5th EUROYoung Workshop 2025
Naples, Italy
The Burial of Coupling Constraints in Linear Bilevel Optimization
Global Optimization Workshop 2025
Stockholm, Sweden
On Some Recent Advances in Bilevel and Robust Optimization
EURO 2025
Leeds, UK
An Exact Method for Nonlinear Network Flow Interdiction Problems
EURO 2025
Leeds, UK
Nonlinear Flows Meet Bilevel and Robust Optimization
Seminar at Universität Zürich · Universität Zürich
Zürich, Schweiz
The Burial of Coupling Constraints in Linear Bilevel Optimization
Seminar at CMM · CMM
Santiago, Chile
A Gentle and Incomplete Introduction to Bilevel Optimization
11th Winter School on Network Optimization
Estoril, Portugal
BOBILib: Bilevel Optimization (Benchmark) Instance Library
PGMODays
Paris, France
BOBILib: Bilevel Optimization (Benchmark) Instance Library
ISMP
Montréal, Canada
A Gentle and Incomplete Introduction to Bilevel Optimization
24th edition of the Belgian Mathematical Optimization Workshop
La Roche-en-Ardennes, Belgium
A Primer on Bilevel Optimization Under Uncertainty
Seminar of the WIAS · WIAS
Berlin, Germany
A Primer on Bilevel and Robust Optimization
3rd International Workshop on Bilevel Optimization – IWOBIP'24
Rancagua, Chile
Learning the Follower's Objective Function in Sequential Bilevel Games
PGMODAYS 2023
Paris, France
The Minimum Sum-of-Squares Clustering Problem: Robustification and Global Optimization Techniques
NeEDS seminar series
Online
A Primer on Bilevel Optimization Under Uncertainty
Seminar at Università degli Studi di Brescia · Università degli Studi di Brescia
Brescia, Italy
15 Years of Gas Network Optimization
Conference on Applied, Computational and Algorithmic Optimization (CACAO) 2023
Leibniz Universität Hannover, Germany
Connections Between Bilevel and Robust Optimization
Robust Optimization Webinar (ROW) Series
Online
Matchmaking Bilevel and (Γ-)Robust Optimization
International Conference on Bilevel Optimization
Southampton, UK
A Successive Mixed-Integer Linear Relaxation Method for MINLPs with Lipschitz Continuous Nonlinearities
Learning from Both Sides Linear and Nonlinear Mixed-Integer Optimization · Institut Mittag-Leffler
Stockholm, Sweden
On a Computationally Ill-Behaved Bilevel Problem with a Continuous and Nonconvex Lower Level
SIAM Conference on Optimization (OP23)
Seattle, USA
Block Decomposition of Large-Scale MINLPs and (Penalty) Alternating Direction Methods
III Sevilla MINLP Workshop
University of Seville, IMUS, Spain
Mathematik – Wozu? Über Graphentheorie und Google
Mathematik erFassen!
Universität Trier, Germany
Bilevel Optimization: Some Basics, the European Gas Market under Uncertainty, and an Open Research Problem
Seminar of the Institut of Applied Mathematics · Leibniz Universität Hannover
Hannover, Germany
A Primer on Bilevel Optimization Under Uncertainty
Department of Computer, Control and Management Engineering · Sapienza, Università di Roma
Rome, Italy
The Minimum Sum-of-Squares Clustering Problem: Robustification and Global Optimization Techniques
ESSEC Business School Paris
Paris, France
Bilevel Optimization: Some Basics, the European Gas Market under Uncertainty, and an Open Research Problem
AdONE Seminar · TU München
München, Germany · Online
Some Recent Results and Thoughts on Bilevel Optimization Under Uncertainty
Dagstuhl seminar “Optimization at the Second Level”
Dagstuhl, Germany
The Minimum Sum-of-Squares Clustering Problem: Robustification and Global Optimization Techniques
OASYS Seminar Series · University of Málaga
Málaga, Spain
Multilevel Optimization: Basics, an Application to the European Gas Market, and an Open Research Problem
Institut für Mathematik · Humboldt-Universität zu Berlin
Berlin, Germany
Recent algorithmic advances in bilevel optimization
32nd EURO Conference
Aalto University, Espoo, Finland
A “Survey” on Mixed-Integer Programming Techniques in Bilevel Optimization
32nd EURO Conference
Aalto University, Espoo, Finland
Multilevel Optimization: Basics, an Application to the European Gas Market, and an Open Research Problem
SIAM UKIE National Student Chapter Conference
University of Edinburgh, Scotland, UK
Some best practices and pitfalls of solving bilevel optimization problems
Second International Workshop on “Variational Analysis and Applications for Modelling of Energy Exchange” (VAME 2022)
University of Brescia, Italy
The Cost of Not Knowing Enough: Mixed-Integer Optimization with Lipschitz Nonlinearities
Seminar series of the department of mathematics · KTH Stockholm
Stockholm, Sweden
On Convex Lower-Level Black-Box Constraints in Bilevel Optimization with an Application to Gas Market Models with Chance Constraints
ENRE Online Scientific Event Series
Online
A brief history of linear optimization
Math History Lectures · Trier University
Mixed-Integer Programming Techniques for the Minimum Sum-of-Squares Clustering Problem
Séminaire du GERAD
Online
Multilevel mixed-integer nonlinear optimization for electricity market design: Motivation, models, solution techniques, and results
enOPTIMAL virtual seminar series · MIT
Online
On Convex Lower-Level Black-Box Constraints in Bilevel Optimization with an Application to Gas Market Models with Chance Constraints
PGMO Days 2021
Paris, France
A Gentle and Incomplete Introduction to Bilevel Optimization
UNIVERS Winter School on Optimization, Games and Markets · TU Chemnitz
Existence of Energy Market Equilibria with Convex and Nonconvex Players
Trans-Atlantic Infraday Conference 2021 · Aalto University
Espoo, Finland · Online
Outer Approximation for Global Optimization of Mixed-Integer Quadratic Bilevel Problems
EURO 2021 “in Athens”
Athens
A Gentle and Incomplete Introduction to Bilevel Optimization
JPOC Spring School on MINLP and Bilevel Problems
Paris (lecture series via Zoom) · Online
Mixed-Integer Nonlinear Optimization
JPOC Spring School on MINLP and Bilevel Problems
Paris (lecture series via Zoom) · Online
Decomposition Methods for Robustified k-Means Clustering Problems
ECMI 2021 conference
Bergische Universität Wuppertal (via Zoom) · Online
Die Mathematik der Energiewende
#LecturesForFuture der Universität Trier
Universität Trier · Online
(Mixed-Integer) Nonlinear Optimization for District Heating Networks
Oberseminar “Numerical Optimization” of the Chair of Numerical Optimization
Universität Konstanz · Online
Robust Linear Complementarity Problems
Weekly Seminar on Optimization and Equilibrium Problems: Models, Applications, Algorithms · University of Maryland
Baltimore, USA · Online
Robust Linear Complementarity Problems
Seminar des Instituts für Mathematische Optimierung der TU Braunschweig
TU Braunschweig, Germany · Online
Mathematik – Wozu? Über Graphentheorie und Google
Tag der Mathematik
Universität Trier, Germany
Mixed-Integer Optimization: State of the Art and Applications
Invited Talk, NEC Laboratories Europe GmbH
Heidelberg, Germany
(Γ-)Robustified Market Equilibrium Models and (Γ-)Robust LCPs
The XV International Conference on Stochastic Programming
Trondheim, Norway
A Global Outer Approximation Algorithm for Mixed-Integer Quadratic Bilevel Problems
30th European Conference on Operational Research
Dublin, Ireland
Penalty alternating direction methods: Theory, practice, and their relation to feasibility pumps
Mathematisches Kolloquium der TU Ilmenau
Ilmenau, Germany
Mathematik – Wozu? Über Graphentheorie und Google
Mathematik erFassen!
Trier, Germany
A Multilevel Model of the European Entry-Exit Gas Market
2nd Conference on Mathematics of Gas Transport
Berlin, Germany
The Impact of Physics on Market Equilibria in Energy Networks
ISMP 2018. 23rd International Symposium on Mathematical Programming
Bordeaux, France
Combining Network Design and Graph Partitioning in a Multilevel Framework for Electricity Markets
IWOBIP'18. 2nd International Workshop on Bilevel Programming
INRIA Lille-Nord Europe, France
Price Zones and Investment Incentives in Electricity Markets: An Application of Multi-Level Optimization with Graph Partitioning
13. ÖGOR-IHS Workshop & ÖGOR Arbeitskreis Mathematische Ökonomie und Optimierung in der Energiewirtschaft 2018
Institut für Höhere Studien, Wien
Mathematik – Wozu? Über Graphentheorie und Google
Schülervortrag am Dürer-Gymnasium Nürnberg
Nürnberg
Mathematische Optimierungsverfahren für mehrstufige Modelle im Strommarktdesign
Kolloquiumsvortrag an der RWTH Aachen
Aachen
Network Expansion, Price Zones, and Investment Incentives in Electricity Markets: An Application of Multi-Level Optimization to the German Electricity Market
Eingeladener Vortrag bei Siemens zum Thema “Mathematical Algorithms for Comprehensive Energy Management Systems”
Erlangen
Mathematische Optimierung im Energiebereich
Eingeladener Vortrag bei der sonnen GmbH
Wildpoldsried
Mixed-Integer Optimization for Energy Systems
661. WE-Heraeus-Seminar “Nonlinear Dynamics, Optimization and Control of Distributed Energy Systems”
Bad Honnef
Dekompositionsmethoden für nichtlineare und gemischt-ganzzahlige Optimierung
Kolloquiumsvortrag an der Universität Trier
Trier
Mathematik für die Energiewende
Lange der Nacht der Wissenschaften 2017
Nürnberg
MIP-based instantaneous control of mixed-integer PDE-constrained gas transport problems
IFORS 2017
Quebec City
Penalty Alternating Direction Methods for Mixed-Integer Nonlinear Optimization
SIAM Conference on Optimization 2017
Vancouver
Mathematical Optimization for Energy Networks
Advances in Renewable Energy Technologies
Texas A&M University at Qatar. Doha
Optimal Price Zones of Electricity Markets: A Mixed-Integer Multilevel Model and Global Solution Approaches
Workshop Energiemärkte
Energie Campus Nürnberg
Optimal Price Zones of Electricity Markets: A Mixed-Integer Multilevel Model and Global Solution Approaches
21st Combinatorial Optimization Workshop
Aussois
Penalty Alternating Direction Methods for Mixed-Integer Optimization: A New View on Feasibility Pumps
OR 2016 - Annual International Conference of the German Operations Research Society
Hamburg
Optimal Price Zones for the German Electricity Market
iSEneC 2016 - Integration of Sustainable Energy Conference
Nürnberg
A Penalty Alternating Direction Method for Nonconvex MINLPs in Gas Transport
EURO 2016 - 28th European Conference on Operational Research
Posen
Graph Partitioning with Connectivity Constraints for Multilevel Electricity Market Models
Technische Universität Braunschweig. Seminar des Instituts für Mathematische Optimierung
Braunschweig
Von mehrstufiger Optimierung und Stromnetzen, Graphpartitionierung und Marktpreisen
Unsere Fakultät - Unsere Forschung. Friedrich-Alexander-Universität Erlangen-Nürnberg
Erlangen
Feasibility Pumps as Penalty Alternating Direction Methods for MINLPs: Theory and Computations
Leibniz Universität Hannover, Seminar “Algorithmic Optimization” at the Institute of Applied Mathematics
Hannover
Mixed-Integer Nonlinear Optimization of Stationary Gas Transport Problems
Technische Universität Berlin, Kolloquium ModNumDiff
Berlin
Gemischt-ganzzahlige nichtlineare Optimierung für den Gas- und Stromtransport
Universität Konstanz, Seminar AG Numerik (Fachbereich Mathematik & Statistik)
Konstanz
Investition in Netz und Erzeugung in liberalisierten Strommärkten
11th ÖGOR – IHS Workshop on “Mathematical Economics and Optimization in the Energy Sector” 2016
Institut für Höhere Studien (IHS), Wien
Transmission and Generation Investment in Liberalized Electricity Markets
OR 2015 - Annual International Conference of the German Operations Research Society 2015
Wien
Solving Power-Constrained Gas Transport Problems using an MIP-based Alternating Direction Method
ISMP 2015 - 22nd International Symposium on Mathematical Programming
Pittsburgh
Transmission and Generation Investment in Electricity Markets: The Effects of Market Splitting and Network Fee Regimes
Leibniz Universität Hannover. Oberseminar Algorithmische Optimierung
Hannover
State-of-the-Art in Gas Transport Optimization
Workshop on “Gas Transport and Gas Market Modeling”. Energie Campus Nürnberg
Nürnberg
Continuous Reformulations for Mixed-Integer Nonlinear Optimization of Gas Compressor Stations
OR 2014 - International Conference on Operations Research 2014
Aachen
Optimierung - Die Mathematik der Energiewende
Tag der Erlanger Mathematik
Erlangen
Nonlinear Programming Techniques for Gas Transport Optimization Problems
SIAM Conference on Optimization 2014
San Diego
A Generic Interior-Point Framework for Nonsmooth and Complementarity Constrained Nonlinear Optimization
Leibniz Universität Hannover
Hannover
Mixed-Integer Nonlinear Optimization of Gas Compressor Stations
OR 2012 - International Annual Conference of the German OR Society 2012
Hannover
An Extended Interior Point Method for Nonsmooth and Complementarity Constrained Nonlinear Optimization in Gas Networks
ISMP 2012 - 21st International Symposium on Mathematical Programming
Berlin
Sequential NLP Solving for High-Accuracy Nonlinear Optimization Models in Gas Networks
25th IFIP TC 7 Conference on System Modeling and Optimization
Berlin
MPEC Based Primal Heuristics for MINLPs
SIGOPT - International Conference on Optimization 2011
Pfalz-Akademie Lambrecht
An MINLP Primal Heuristic for Gas Networks
SIAM Conference on Optimization
Darmstadt
Gemischt-ganzzahlige nichtlineare Optimierung von Gasnetzwerken
InfoMaTech - Vortragsreihe der Forschungskreise der FHDW Hannover
Hannover
High Accuracy Stationary Optimization in Gas Networks
EURO 2010 - 24th European Conference on Operational Research
Lissabon
KronCrypt - Der Approximationssatz von Kronecker in der symmetrischen Kryptographie
9. Kryptotag der Fachgruppe “Angewandte Kryptologie” der Gesellschaft für Informatik e.V
Gelsenkirchen