Preface xiii

Chapter 1. Airline Crew Pairing Optimization 1
Laurent ALFANDARI and Anass NAGIH

1.1. Introduction 1

1.2. Definition of the problem 2

1.3. Solution approaches 7

1.4. Solving the subproblem for column generation 11

1.5. Conclusion 21

1.6. Bibliography 22

Chapter 2. The Task Allocation Problem 23
Moaiz BEN DHAOU and Didier FAYARD

2.1. Presentation 24

2.2. Definitions and modeling 24

2.3. Review of the main works 29

2.4. A little-studied model 38

2.5. Conclusion 43

2.6. Bibliography 43

Chapter 3. A Comparison of Some Valid Inequality GenerationMethods for General 0-1 Problems 49
Pierre BONAMI and Michel MINOUX

3.1. Introduction 49

3.2. Presentation of the various techniques tested 53

3.3. Computational results 67

3.4. Bibliography 70

Chapter 4. Production Planning 73
Nadia BRAUNER, Gerd FINKE and Maurice QUEYRANNE

4.1. Introduction 73

4.2. Hierarchical planning 74

4.3. Strategic planning and productive system design 75

4.4. Tactical planning and inventory management 77

4.5. Operations planning and scheduling 90

4.6. Conclusion and perspectives 104

4.7. Bibliography 105

Chapter 5. Operations Research and Goods Transportation111
Teodor Gabriel CRAINIC and Frédéric SEMET

5.1. Introduction 111

5.2. Goods transport systems 113

5.3. Systems design 115

5.4. Long-distance transport 122

5.5. Vehicle routing problems 137

5.6. Exact models and methods for the VRP 139

5.7. Heuristic methods for the VRP 147

5.8. Conclusion 160

5.9. Appendix: metaheuristics 161

5.10. Bibliography 164

Chapter 6. Optimization Models for Transportation SystemsPlanning 177
Teodor Gabriel CRAINIC and Michael FLORIAN

6.1. Introduction 177

6.2. Spatial interaction models 178

6.3. Traffic assignment models and methods 181

6.4. Transit route choice models 193

6.5. Strategic planning of multimodal systems 197

6.6. Conclusion 204

6.7. Bibliography 204

Chapter 7. A Model for the Design of a Minimum-costTelecommunications Network 209
Marc DEMANGE, Cécile MURAT, Vangelis Th. PASCHOS and SophieTOULOUSE

7.1. Introduction 209

7.2. Minimum cost network construction 210

7.3. Mathematical model, general context 213

7.4. Proposed algorithm 216

7.5. Critical points 220

7.6. Conclusion 223

7.7. Bibliography 223

Chapter 8. Parallel Combinatorial Optimization 225
Van-Dat CUNG, Bertrand LE CUN and Catherine ROUCAIROL

8.1. Impact of parallelism in combinatorial optimization 225

8.2. Parallel metaheuristics 226

8.3. Parallelizing tree exploration in exact methods 235

8.4. Conclusion 247

8.5. Bibliography 248

Chapter 9. Network Design Problems: Fundamental Methods253
Alain Quilliot

9.1. Introduction 253

9.2. The main mathematical and algorithmic tools for networkdesign 258

9.3. Models and problems 275

9.4. The STEINER-EXTENDED problem 280

9.5. Conclusion 281

9.6 Bibliography 281

Chapter 10. Network Design Problems: Models and Applications291
Alain Quilliot

10.1. Introduction 291

10.2. Models and location problems 293

10.3. Routing models for telecommunications 298

10.4. The design or dimensioning problem in telecommunications301

10.5. Coupled flows and multiflows for transport and production306

10.6. A mixed network pricing model 314

10.7. Conclusion 319

10.8. Bibliography 319

Chapter 11. Multicriteria Task Allocation to HeterogenousProcessors with Capacity and Mutual Exclusion Constraints327
Bernard ROY and Roman SLOWINSKI

11.1. Introduction and formulation of the problem 328

11.2. Modeling the set of feasible assignments 331

11.3. The concept of a blocking configuration and analysis ofthe unblocking means 334

11.4. The multicriteria assignment problem 346

11.5. Exploring a set of feasible non-dominated assignments inthe plane g2 × g3 348

11.6. Numerical example 357

11.7. Conclusion 363

11.8. Bibliography