Integer programming 18 Integer programming formulations Branch-and-cut algorithms 12 Valid inequality 12 Dynamic programming 8 Linear programming 8 Polytopes 8 Heuristic methods 6 Polyhedral studies 6 Branch-and-Bound 4 Branch-and-Cut 4 Branch-and-cut 4 Computational complexity 4 Computational results 4 Computational studies 4 Convex hulls 4 Cutting plane algorithms 4 Enumeration trees 4 Feasible solutions 4 Graph multicoloring 4 Graph theory 4 Hamiltonian path problems 4 Hamiltonian paths 4 Hamiltonians 4 Linear programming relaxations 4 Linearization 4 Maximum edge subgraph problem 4 Meats 4 Minimum costs 4 Multicoloring 4