1. Introduction
  1.1 Background and motivation
  1.2 Content and objectives
2. The HLRP and relevant researches
  2.1 The hub location problem
  2.2 The location - routing problems
  2.3 The hub location - routing problem
  2.4 Environmental considerations
  2.5 Conclusions and research proposals
3. Mathematical model of the HLRP for minimizing cost
  3.1 Problem definition
  3.2 A mathematical model for the single - objective HLRP
  3.3 Conclusion
4. A memetic algorithm for the single - objective HLRP
  4.1 An overview of the memetic algorithm
  4.2 Algorithmic design of the MA for the HLRP
  4.3 Conclusion
5. Computational experiments for the single - objective HLRP
  5.1 Data and parameters
  5.2 CPLEX assessments
  5.3 MA assessments
  5.4 Analysis of computational results
  5.5 Sensitivity analysis
  5.6 Conclusion
6. A mathematical model and a MA for the bi - objective HLRP
  6.1 Problem definition
  6.2 Emission formulations
  6.3 A bi - objective model for Green HLRP
  6.4 A memetic algorithm for the bi - objective HLRP
  6.5 Conclusion
7. Computational experiments for the bi - objective HLRP
  7.1 Data set
  7.2 Epsilon constraint method
  7.3 Parameter settings for the bi - objective MA
  7.4 Results analysis
  7.5 Performance assessment of the bi - objective MA
  7.6 Conclusion
8. Two - phase model and memetic algorithm
  8.1 Two - phase model for minimizing cost
  8.2 Two - phase MA for minimizing cost
  8.3 Conclusion
9. Computational experiments of the two - phase method
  9.1 Data set
  9.2 CPLEX results of the two - phase model
  9.3 MA results of the two - phase method
  9.4 Conclusion
10. General conclusions and prospects
Afterword
Bibliography
Keywords