Three enhancements for optimization-based bound tightening AM Gleixner, T Berthold, B Müller, S Weltge Journal of Global Optimization 67, 731-757, 2017 | 101 | 2017 |
A short proof that the extension complexity of the correlation polytope grows exponentially V Kaibel, S Weltge Discrete & Computational Geometry 53, 397-401, 2015 | 71 | 2015 |
Lower bounds on the sizes of integer programs without additional variables V Kaibel, S Weltge Mathematical Programming 154 (1), 407-425, 2015 | 37 | 2015 |
Notions of maximality for integral lattice-free polyhedra: the case of dimension three G Averkov, J Krümpelmann, S Weltge Mathematics of Operations Research 42 (4), 1035-1062, 2017 | 34 | 2017 |
Distances between optimal solutions of mixed-integer programs J Paat, R Weismantel, S Weltge Mathematical Programming 179 (1), 455-468, 2020 | 28 | 2020 |
Sizes of linear descriptions in combinatorial optimization S Weltge Otto-von-Guericke-Universität Magdeburg, Fakultät für Mathematik, 2015 | 27 | 2015 |
Subgraph polytopes and independence polytopes of count matroids M Conforti, V Kaibel, M Walter, S Weltge Operations research letters 43 (5), 457-460, 2015 | 22 | 2015 |
Integer programs with bounded subdeterminants and two nonzeros per row S Fiorini, G Joret, S Weltge, Y Yuditsky 2021 IEEE 62nd Annual Symposium on Foundations of Computer Science (FOCS), 13-24, 2022 | 19 | 2022 |
The stable set problem in graphs with bounded genus and bounded odd cycle packing number M Conforti, S Fiorini, T Huynh, G Joret, S Weltge Proceedings of the Fourteenth Annual ACM-SIAM Symposium on Discrete …, 2020 | 18 | 2020 |
Strengthening convex relaxations of 0/1-sets using Boolean formulas S Fiorini, T Huynh, S Weltge Mathematical programming 190 (1), 467-482, 2021 | 17 | 2021 |
Learning and propagating Lagrangian variable bounds for mixed-integer nonlinear programming AM Gleixner, S Weltge Integration of AI and OR Techniques in Constraint Programming for …, 2013 | 16 | 2013 |
Lifting linear extension complexity bounds to the mixed-integer setting A Cevallos, S Weltge, R Zenklusen Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete …, 2018 | 15 | 2018 |
Tight bounds on discrete quantitative Helly numbers G Averkov, BG Merino, I Paschke, M Schymura, S Weltge Advances in Applied Mathematics 89, 76-101, 2017 | 15 | 2017 |
Extended formulations for stable set polytopes of graphs without two disjoint odd cycles M Conforti, S Fiorini, T Huynh, S Weltge International Conference on Integer Programming and Combinatorial …, 2020 | 14 | 2020 |
Hidden vertices in extensions of polytopes K Pashkovich, S Weltge Operations Research Letters 43 (2), 161-164, 2015 | 12 | 2015 |
Maximum semidefinite and linear extension complexity of families of polytopes G Averkov, V Kaibel, S Weltge Mathematical Programming 167, 381-394, 2018 | 10 | 2018 |
Extended formulations for independence polytopes of regular matroids V Kaibel, J Lee, M Walter, S Weltge Graphs and combinatorics 32, 1931-1944, 2016 | 10 | 2016 |
Computing the extension complexities of all 4-dimensional 0/1-polytopes M Oelze, A Vandaele, S Weltge arXiv preprint arXiv:1406.4895, 2014 | 10 | 2014 |
Optimality certificates for convex minimization and Helly numbers A Basu, M Conforti, G Cornuéjols, R Weismantel, S Weltge Operations Research Letters 45 (6), 671-674, 2017 | 9 | 2017 |
Extended formulations for stable set polytopes of graphs without two disjoint odd cycles M Conforti, S Fiorini, T Huynh, S Weltge Mathematical Programming 192 (1), 547-566, 2022 | 7 | 2022 |