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Extension complexity of the correlation polytope

Aboulker, Pierre; Fiorini, Samuel; Huynh, Tony; … - In: Operations research letters 47 (2019) 1, pp. 47-51

Persistent link: https://www.econbiz.de/10011991334

Improved lower bound on the dimension of the EU council’s voting rules

Kober, Stefan; Weltge, Stefan - In: Optimization Letters 15 (2020) 4, pp. 1293-1302

Kurz and Napel (Optim Lett 10(6):1245–1256, 2015, https://doi.org/10.1007/s11590-015-0917-0) proved that the voting system of the EU council (based on the 2014 population data) cannot be represented as the intersection of six weighted games, i.e., its dimension is at least 7. This set a new...

Persistent link: https://www.econbiz.de/10014503399

Hidden vertices in extensions of polytopes

Pashkovich, Kanstantsin; Weltge, Stefan - In: Operations research letters 43 (2015) 2, pp. 161-164

Persistent link: https://www.econbiz.de/10010515790

Subgraph polytopes and independence polytopes of count matroids

Conforti, Michele; Kaibel, Volker; Walter, Matthias; … - In: Operations research letters 43 (2015) 5, pp. 457-460

Persistent link: https://www.econbiz.de/10011386433

Notions of maximality for integral lattice-free polyhedra : the case of dimension three

Averkov, Gennadij; Krümpelmann, Jan Alexander; Weltge, … - In: Mathematics of operations research 42 (2017) 4, pp. 1035-1062

Persistent link: https://www.econbiz.de/10011773303

Optimality certificates for convex minimization and Helly numbers

Basu, Amitabh; Conforti, Michele; Cornuéjols, Gérard; … - In: Operations research letters 45 (2017) 6, pp. 671-674

Persistent link: https://www.econbiz.de/10011783098

Extended formulations for radial cones

Walter, Matthias; Weltge, Stefan - In: Operations research letters 47 (2019) 5, pp. 458-463

Persistent link: https://www.econbiz.de/10012110614

Book review

Fiorini, Samuel - In: Operations research letters 35 (2007) 6, pp. 823

Persistent link: https://www.econbiz.de/10007799654

Approximating the balanced minimum evolution problem

Fiorini, Samuel; Joret, Gwenaël - In: Operations research letters 40 (2012) 1, pp. 31-36

Persistent link: https://www.econbiz.de/10009821613

Minimum entropy orientations

Cardinal, Jean; Fiorini, Samuel; Joret, Gwenaël - In: Operations research letters 36 (2008) 6, pp. 680-684

Persistent link: https://www.econbiz.de/10008880081