The 6th Workshop on Combinatorial Optimization will take place online on October 11th, 2023, at 15:50 (GMT). This Workshop is co-organized by three research centers of the University of Lisboa (ULisboa), namely, CMAFcIO (Center for Mathematics, Fundamental Applications and Operations Research, Faculty of Sciences), the MOSAIC group of CEGIST (Centro de Estudos de Gestão, IST – Técnico Lisboa), and CEMAPRE (Centro de Matemática Aplicada à Previsão e Decisão Económica, ISEG – Lisbon School of Economics and Management), and will occur in an online format – via Zoom (https://videoconf-colibri.zoom.us/j/85678705707). Following the previous editions, this 5th edition will once again gather specialists in the field of Combinatorial Optimization, from several countries, to present and discuss recent research work. For extra information please visit the site: https://cmafcio.campus.ciencias.ulisboa.pt/node/230
15:50 − 16:00 Opening
Luís Gouveia (coordinator of CMAFcIO), José Rui Figueira (coordinator of the MOSAIC group of CEGIST), and Raquel Bernardino (CEMAPRE)
Chair: Cristina Requejo
16:00 − 16:30 Fairness-driven mid term scheduling of medical staff at a hospital network
Marco Roma (University of Florence, Italy), joint work with Maddalena Nonato (University of Ferrara, Italy), Paola Cappanera (University of Florence, Italy), Marco Gavanelli (University of Ferrara, Italy), Niccolò Fabbri (Ospedale del Delta, Ferrara, Italy)
16:30 − 17:00 ‘Healthcare Access and Quality Index' revisited: A fuzzy Data Envelopment Analysis approach
Miguel Pereira (IST, ULisboa)
17:00 − 17:15 Coffee Break
Chair: Luís Gouveia
17:15 − 17:45 Last-Mile Logistics in London
Tolga Bektas (Management School, University of Liverpool)
17:45 − 18:15 Node based compact formulations for the Hamiltonian p-Median Problem
Francisco Canas (DEIO & CMAFcIO, FC, ULisboa), joint work with Michele Barbato (Dipartimento di Informatica “Giovanni Degli Antoni”, Università degli Studi di Milano, Italy), Luís Gouveia (CMAFcIO, FC, ULisboa), Pierre Pesneau (Univ. Bordeaux, CNRS, INRIA, Bordeaux INP, IMB, France)