Camilo Ortiz-Astorquiza

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In this paper we model the multi-level uncapacitated facility location problem as two different combinatorial optimization problems. The first one uses a set of vertices as combinatorial objects to represent solutions whereas the second one uses a set of paths. An interesting observation is that the real-valued set function associated with the first(More)
Authors are encouraged to submit new papers to INFORMS journals by means of a style file template, which includes the journal title. However, use of a template does not certify that the paper has been accepted for publication in the named journal. INFORMS journal templates are for the exclusive purpose of submitting to an INFORMS journal and should not be(More)
Authors are encouraged to submit new papers to INFORMS journals by means of a style file template, which includes the journal title. However, use of a template does not certify that the paper has been accepted for publication in the named journal. INFORMS journal templates are for the exclusive purpose of submitting to an INFORMS journal and should not be(More)
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