
| Extended formulations in combinatorial optimization | 
| A memetic algorithm for the team orienteering problem | 
| Consistent extensions and subsolutions of the core of multi-choice NTU games | 
| n improved heuristic for two-machine flow shop scheduling with an availability constraint and nonresumable jobs | 
| Operating room planning and scheduling: solving a surgical case sequencing problem | 
| On matrices with the Edmonds-Johnson property | 
| Nonsmooth optimization: theory and algorithms |