Exploració per autor "Marín, Alfredo"

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    • Lagrangean bounds for the optimum communication spanning tree problem 

      Contreras, I.; Fernández Aréizaga, Elena; Marín, Alfredo (Springer Verlag, 2010)
      Article
      Accés restringit per política de l'editorial
      This paper considers the Optimum Communication Spanning Tree Problem. An integer programming formulation that yields tight LP bounds is proposed. Given that the computational effort required to obtain the LP bounds ...

    • When centers can fail: a close second opportunity 

      Albareda Sambola, Maria; Hinojosa, Yolanda; Marín, Alfredo; Puerto Albandoz, Justo (2015-10-01)
      Article
      Accés obert
      This paper presents the p-next center problem, which aims to locate p out of n centers so as to minimize the maximum cost of allocating customers to backup centers. In this problem it is assumed that centers can fail and ...