Robustness in Operations Research and Decision Aiding

ObjectivesIn OR-DA, the term robust means a capacity for withstanding "vague approximations" and/or "zones of ignorance" in order to prevent undesirable impacts, notably the degradation of the properties that must be maintained. Consequently, robustness stems from a process that responds to a concern: a need for resistance or self-protection. Optimal solutions of classical models in OR may not have this capacity. The aim of this course is to introduce the basic robustness models.



  • Basic concepts and presentation of some examples.
  • Study of classical criteria : min-max and min-max regret.
  • Study of Bertsimas and Sim’s model.
  • Study of the multilevel programming approach.


  • B. Roy, Robustness in operational research and decision aiding: A multi-faceted issue, European Journal of Operational Research 200(3), 629-638, 2010
  • H. Aissi, B. Roy, Robustness in Multi-criteria Decision Aiding, in Trends in Multiple Criteria Decision Analysis, M. Ehrgott, J.R. Figueira, S. Greco Ed., Springer, 87-121, 2010
  • H. Aissi, C. Bazgan, and D. Vanderpooten, "Min–max and min–max regret versions of combinatorial optimization problems: A survey", European Journal of Operational Research, 197(2), 427-438, 2009.


Head of Master MODO: Daniel VANDERPOOTEN

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