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The Graphical Traveling Salesperson Problem has no integer programming formulation in the original space
Walter, Matthias - In: Operations research letters 49 (2021) 4, pp. 623-624
Persistent link: https://www.econbiz.de/10012649050
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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
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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
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On a cardinality-constrained transportation problem with market choice
Walter, Matthias; Damcı-Kurt, Pelin; Dey, Santanu S.; … - In: Operations research letters 44 (2016) 2, pp. 170-173
Persistent link: https://www.econbiz.de/10011457265