Integer programming 26 Branch-and-cut algorithms 18 Valid inequality 18 Integer programming formulations 16 Polytopes 14 Valid inequalities 14 Combinatorial optimization 12 Polyhedral combinatorics 12 Linear programming 10 Separation problems 10 Wireless networks 10 Combinatorial mathematics 8 Computational results 8 Cutting planes 8 Dynamic programming 8 Facets 8 Graph theory 8 Scheduling 8 Topology 8 Bandwidth 6 Bandwidth allocation 6 Bandwidth allocation problems 6 Chromatic scheduling 6 Combinatorial optimization problems 6 DESIGUALDADES VALIDAS 6 Interference graphs 6 Isomers 6 New classes 6 Polyhedral studies 6 Quality guarantees 6