Quadratic Assignment of Hubs in p-Hub Median Problem

Shahin Gelareh

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    We introduce Generalized p-Hub Median Problem (GpHMP) that seeks to locate p hub nodes and install p distinct hub facilities/operators on the hubs while discount factor resulted by consolidation of flow on the hub links depends on the facilities/operators that are installed/operating on both hub nodes end-point. In contrast, in traditional hub location problems it is commonly assumed that all the hub facilities share a similar characteristic and economy of scale resulted by consolidation of flow over hub edges is not directly relevant to the hub facilities being installed at both end-points. The mathematical model is presented and numerical results on the instances of CAB and AP data sets are reported.
    Original languageEnglish
    Place of PublicationKgs. Lyngby
    PublisherDTU Management
    Number of pages9
    ISBN (Print)978-87-90855-81-9
    Publication statusPublished - 2010
    SeriesDTU Management 2010


    • facility location
    • hub-and-spoke network design
    • quadratic assignment problem

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