Authors: Hansen, Pierre
Brimberg, Jack
Urošević, Dragan 
Mladenović, Nenad 
Affiliations: Mathematical Institute of the Serbian Academy of Sciences and Arts 
Title: Primal-dual variable neighborhood search for the simple plant-location problem
Journal: INFORMS Journal on Computing
Volume: 19
Issue: 4
First page: 552
Last page: 564
Issue Date: 1-Jan-2007
Rank: M21a
ISSN: 1091-9856
DOI: 10.1287/ijoc.1060.0196
Abstract: 
The variable neighborhood search metaheuristic is applied to the primal simple plant-location problem and to a reduced dual obtained by exploiting the complementary slackness conditions. This leads to (i) heuristic resolution of (metric) instances with uniform fixed costs, up to n = 15,000 users, and m = n potential locations for facilities with an error not exceeding 0.04%; (ii) exact solution of such instances with up to m = n = 7,000; and (iii) exact solutions of instances with variable fixed costs and up to m = n = 15,000.
Keywords: Branch and bound | Metaheuristics | Primal-dual methods | Simple plant-location problem | Variable-neighborhood search
Publisher: INFORMS

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