Decision Support & Operations Research Group

Directed by Marino Widmer and Bernard Ries, the Decision Support and Operations Research group develops mathematical theories, models, algorithms and systems supporting decision making in complex situations.


  • Paper accepted in Discrete Applied Mathematics!
  • Elise Bangerter joins our group for 6 months!
  • Carolina Lucia Gonzalez from the University of Buenos Aires is visiting our group during two months (May, June 2021)! Welcome Carolina!
  • On January 2021, Dr. Meritxell Pacheco Paneque joins our group as Senior Researcher. Meritxell recently finished her PhD at EPFL's Transport and Mobility Laboratory
  • Paper accepted in Discrete Mathematics
  • Paper accepted in Discrete Applied Mathematics

See News for further details.

The Group

Who we are and what we do.

The Group