Branch and bound experiments in zero-one programming -- A subadditive approach to the group problem of integer programming -- Two computationally difficult set covering problems that arise in computing the 1-width of incidence matrices of Steiner triple systems -- Lagrangean relaxation for integer programming -- A heuristic algorithm for mixed-integer programming problems -- On the group problem for mixed integer programming -- Experiments in the formulation of integer programming problems

1. Mathematics
2. Computer science -- Mathematics
3. Mathematical optimization
4. Mathematics
5. Optimization
6. Mathematics of Computing