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A constraint-programming-based branch-and-price-and-cut approach for operating room planning and scheduling
Doulabi, Hossein Hashemi; Chen, Guihai; Rousseau, … - In: INFORMS journal on computing : JOC 28 (2016) 3, pp. 432-448
Persistent link: https://www.econbiz.de/10011538974
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Hub location as the minimization of a supermodular set function
Contreras, Ivan; Fernández, Elena - In: Operations research 62 (2014) 3, pp. 557-570
Persistent link: https://www.econbiz.de/10010381851
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Branch and price for large-scale capacitated hub location problems with single assignment
Contreras, Ivan; Díaz, Juan A.; Fernández Muñoz, Elena - In: INFORMS journal on computing : JOC 23 (2011) 1, pp. 41-55
Persistent link: https://www.econbiz.de/10008935646
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Lagrangean relaxation for the capacitated hub location problem with single assignment
Contreras, Ivan; Díaz, Juan A.; Fernández, Elena - In: OR spectrum : quantitative approaches in management 31 (2009) 3, pp. 483-505
Persistent link: https://www.econbiz.de/10003841765
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Exact and heuristic algorithms for the design of hub networks with multiple lines
Martins de Sá, Elisangela; Contreras, Ivan; Cordeau, … - In: European journal of operational research : EJOR 246 (2015) 1, pp. 186-198
Persistent link: https://www.econbiz.de/10011341669
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An exact algorithm for the modular hub location problem with single assignments
Tanash, Moayad; Contreras, Ivan; Vidyarthi, Navneet - In: Computers & operations research : and their … 85 (2017), pp. 32-44
Persistent link: https://www.econbiz.de/10011713725
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Hub network design problems with profits
Alibeyg, Armaghan; Contreras, Ivan; Fernández, Elena - In: Transportation research / E : an international journal 96 (2016), pp. 40-59
Persistent link: https://www.econbiz.de/10011624056
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Exact solution of hub network design problems with profits
Alibeyg, Armaghan; Contreras, Ivan; Fernández, Elena - In: European journal of operational research : EJOR 266 (2018) 1, pp. 57-71
Persistent link: https://www.econbiz.de/10011811573
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The Tree of Hubs Location Problem
Contreras, Ivan; Fernádez, Elena; Marín, Alfredo - In: European journal of operational research : EJOR 202 (2010) 2, pp. 390-400
Persistent link: https://www.econbiz.de/10003960271
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Exact algorithms based on Benders decomposition for multicommodity uncapacitated fixed-charge network design
Zetina, Carlos Armando; Contreras, Ivan; Cordeau, … - In: Computers & operations research : and their … 111 (2019), pp. 311-324
Persistent link: https://www.econbiz.de/10012098183