lundi 6 janvier 2025

Heures événement (+)
08:15 - 08:30 Welcome (Main lecture room) - The organizers  
08:30 - 09:30 Focus Lecture (Main lecture room) - Gautier Staufer (+)  
08:30 - 09:30 › Single-Source Unsplittable Flows in Planar and Bounded Genus Graphs - Laura Vargas-Koch, RWTH Aachen  
09:30 - 10:15 Présentation régulière (~20 min) (Main lecture room) - Gautier Staufer (+)  
09:30 - 09:50 › Better Approximation for Weighted k-Matroid Intersection - Neta Singer, EPFL  
09:50 - 10:10 › Finding tight and compact models for energy system modeling - Maaike Elgersma, Delft University of Technology  
10:15 - 10:45 Pause café  
10:45 - 11:05 Présentation régulière (~20 min) (Main lecture room) - Paolo Ventura (+)  
10:45 - 11:05 › Complexity of Injectivity and Verification of ReLU Neural Networks - Martin Skutella, TU Berlin  
11:05 - 12:05 Elevator pitch (~3min) (Main lecture room) - Paolo Ventura  
16:15 - 16:45 Pause café  
16:45 - 17:45 Focus Lecture (Main lecture room) - Giovanni Rinaldi (+)  
16:45 - 17:45 › Solving train scheduling problems: reformulations, decompositions, and practice - Carlo Mannino, SINTEF, Oslo  
17:45 - 18:15 Pause café  
18:15 - 18:35 Présentation régulière (~20 min) (Main lecture room) - Volker Kaibel (+)  
18:15 - 18:35 › Neural Networks and (Virtual) Extended Formulations - Christoph Hertrich, Université libre de Bruxelles  
18:35 - 19:15 Elevator pitch (~3min) (Main lecture room) - Volker Kaibel  

mardi 7 janvier 2025

Heures événement (+)
08:30 - 09:30 Focus Lecture (Main lecture room) - Karen Aardal (+)  
08:30 - 09:30 › Cutting planes and Fixed Parameter Tractability - Fritz Eisenbrand, EPF Lausanne  
09:30 - 10:15 Présentation régulière (~20 min) (Main lecture room) - Karen Aardal (+)  
09:30 - 09:50 › On the Number of Degenerate Simplex Pivots - Kirill Kukharenko, Otto-von-Guericke-Universität Magdeburg = Otto-von-Guericke University [Magdeburg]  
09:50 - 10:10 › Stronger adversaries grow cheaper forests: Online Node-Weighted Steiner Problems - Sander Borst, Max Planck Institute for Informatics  
10:15 - 10:45 Pause café  
10:45 - 12:05 Présentation régulière (~20 min) (Main lecture room) - Marc Pfetsch (+)  
10:45 - 11:05 › Tropical medians by transportation - Michael Joswig, TU Berlin  
11:05 - 11:25 › Algorithmic Advances for Global Routing in VLSI Design - Daniel Blankenburg, Universität Bonn = University of Bonn  
11:25 - 11:45 › Common misbeliefs when working with total unimodularity - Matthias Walter, University of Twente  
11:45 - 12:05 › Complexity of Integer Programming in Reverse Convex Sets via Boundary Hyperplane Cover - Robert Hildebrand, Virginia Tech [Blacksburg]  
16:15 - 17:00 Pause cafe  
17:00 - 18:00 Focus Lecture (Main lecture room) - Andrea Lodi (+)  
17:00 - 18:00 › Anticlustering for large scale clustering - Veronica Piccialli, Sapienza, Università di Roma  
18:00 - 18:15 Pause café  
18:15 - 19:15 Présentation régulière (~20 min) (Main lecture room) - Alexandra Lassota (+)  
18:15 - 18:35 › A simple quadratic kernel for Token Jumping on surfaces - Benjamin Peyrille, Laboratoire des sciences pour la conception, lóptimisation et la production  
18:35 - 18:55 › Corner Benders' Cuts - Ricardo Fukasawa, Combinatorics and Optimization [Waterloo]  
18:55 - 19:15 › Decision focused learning for combinatorial and contextual stochastic optimization - Axel Parmentier, Centre dÉnseignement et de Recherche en Mathématiques et Calcul Scientifique  

mercredi 8 janvier 2025

Heures événement (+)
08:30 - 09:30 Focus Lecture (Main lecture room) - Christoph Helmberg (+)  
08:30 - 09:30 › Ghost Value Augmentation for k-Edge-Connectivity - Rico Zenklusen, ETH Zurich  
09:30 - 10:15 Présentation régulière (~20 min) - Christoph Helmberg (+)  
09:30 - 09:50 › A characterization of unimodular hypergraphs with disjoint hyperedges - Meike Neuwohner, Department of Mathematics London School of Economics  
09:50 - 10:10 › Totally Δ-modular IPs with two non-zeros in most rows - Stefan Kober, Université Libre de Bruxelles  
10:15 - 10:45 Pause café  
10:45 - 12:05 Présentation régulière (~20 min) (Main lecture room) - Sophie Huiberts (+)  
10:45 - 11:05 › Efficient and effective optimization methods for sparse generalized inverses - Jon Lee, University of Michigan  
11:05 - 11:25 › Faster Lattice Basis Computation via a Natural Generalization of the Euclidean Algorithm - Kim-Manuel Klein, Universität zu Lübeck = University of Lübeck [Lübeck]  
11:25 - 11:45 › Kissing Polytopes - Antoine Deza, McMaster University  
11:45 - 12:05 › Machine Learning + Operations Research for optimal counterfactual controller in wind turbines - Martina Fischetti, University of Seville  
16:15 - 17:00 Pause café  
17:00 - 18:00 Focus Lecture (Main lecture room) - Leen Stougie (+)  
17:00 - 18:00 › Recent advances in solving multistage stochastic mixed-integer programs - Merve Bodur, University of Edinburgh  
18:00 - 18:15 Pause café  
18:15 - 19:15 Présentation régulière (~20 min) (Main lecture room) - Neil Olver (+)  
18:15 - 18:35 › Machine Learning for Faster Dynamic Graph Algorithms - Benjamin Moseley, Carnegie Mellon University [Pittsburgh]  
18:35 - 18:55 › Optimization techniques for modeling with piecewise-linear functions - Tamas Kis, HUN-REN Institute for Computer Science and Control  
18:55 - 19:15 › Recognizing integrality of weighted rectangles partitions - Ulf Friedrich, Otto-von-Guericke University Magdeburg  

jeudi 9 janvier 2025

Heures événement (+)
08:30 - 09:30 Focus Lecture (Main lecture room) - Nicole Megow (+)  
08:30 - 09:30 › Computational Approaches for Mixed Integer Bilevel Optimization - Ivana Ljubic, ESSEC Business School of Paris  
09:30 - 10:15 Présentation régulière (~20 min) (Main lecture room) - Nicole Megow (+)  
09:30 - 09:50 › An improved (strongly polynomial) combinatorial algorithm for the nucleolus in Convex Games - Giacomo Maggiorano, Université de Lausanne = University of Lausanne  
09:50 - 10:10 › Global One-sided Parabolic Approximations for MINLP - Adrian G¨oß, University of Technology Nuremberg (UTN)  
10:15 - 10:45 Pause café  
10:45 - 12:05 Présentation régulière (~20 min) (Main lecture room) - Gerard Cornuejols (+)  
10:45 - 11:05 › Robust Generalized Nash Equilibria - Mattia Sara, CNR-IASI  
11:05 - 11:25 › Sequential Linear Contracts Under Matroid Constraints - Kanstantsin Pashkovich, University of Waterloo [Waterloo]  
11:25 - 11:45 › The Bidirected Cut Relaxation for Steiner Tree has Integrality Gap Smaller than 2 - Jaroslaw Byrka, University of Wroclaw  
11:45 - 12:05 › The Differentiable Feasibility Pump - Antonio Frangioni, University of Pisa  
16:15 - 17:00 Pause café  
17:00 - 18:00 Focus Lecture (Main lecture room) - Tom McCormick (+)  
17:00 - 18:00 › Generalized list matrix partition problems from the viewpoint of graph width parameters - Flavia Bonomo, Universidad de Buenos Aires  
18:00 - 18:15 Pause café  
18:15 - 19:15 Présentation régulière (~20 min) - Ola Svensson (+)  
18:15 - 18:35 › An a posteriori analysis of numerical correctness in LP-based branch and bound - Ambros Gleixner, HTW & Zuse Institute Berlin  
18:35 - 18:55 › Polynomial Matrices in Integer Programming with Restricted Subdeterminants - Stefan Kuhlmann, ETH Zurich  
18:55 - 19:15 › Avoiding Deadlocks via Weak Deadlocks - Gianpaolo Oriolo, Università degli Studi Tor Vergata  

vendredi 10 janvier 2025

Heures événement (+)
08:30 - 09:30 Focus Lecture (Main lecture room) - Marc Uetz (+)  
08:30 - 09:30 › Recent Results for Robust Flows and Network Interdiction Games - Jannik Matuschke, U Leuven  
09:30 - 10:15 Présentation régulière (~20 min) (Main lecture room) - Marc Uetz (+)  
09:30 - 09:50 › Heuristic Methods for Γ-Robust Mixed-Integer Linear Bilevel Problems - Yasmine Beck, Essec Business School  
09:50 - 10:10 › On the complexity of the odd-red bipartite perfect matching polytope - Martin Nägele, Department of Mathematics, ETH Zurich  
10:15 - 10:45 Pause café  
10:45 - 12:05 Présentation régulière (~20 min) (Main lecture room) - Britta Peis (+)  
10:45 - 11:05 › A Decomposition Theorem for Dynamic Flows - Tobias Harks, Passau University  
11:05 - 11:25 › Spanning Trees by Splitting Variables - Angelika Wiegele, Institut für Mathematik, Alpen-Adria-Universität Klagenfurt, Austria  
11:25 - 11:45 › Unsplittable Transshipments - SRINWANTI DEBGUPTA, Technical University of Berlin / Technische Universität Berlin, Berlin Mathematical School, MATH+  
11:45 - 12:05 › Generalized Assignment and Knapsack Problems in the Random-Order Model - Max Klimm, TU Berlin