Multi-level facility location problems C Ortiz-Astorquiza, I Contreras, G Laporte European Journal of Operational Research 267 (3), 791-805, 2018 | 142 | 2018 |
On the k-gamma q-distribution R Díaz, C Ortiz, E Pariguan Open Mathematics 8 (3), 448-458, 2010 | 50* | 2010 |
An exact algorithm for multilevel uncapacitated facility location C Ortiz-Astorquiza, I Contreras, G Laporte Transportation Science 53 (4), 1085-1106, 2019 | 35 | 2019 |
Multi-level facility location as the maximization of a submodular set function C Ortiz-Astorquiza, I Contreras, G Laporte European Journal of Operational Research 247 (3), 1013-1016, 2015 | 24 | 2015 |
Formulations and approximation algorithms for multilevel uncapacitated facility location C Ortiz-Astorquiza, I Contreras, G Laporte INFORMS journal on computing 29 (4), 767-779, 2017 | 15 | 2017 |
The locomotive assignment problem with distributed power at the Canadian National Railway Company C Ortiz-Astorquiza, JF Cordeau, E Frejinger Transportation Science 55 (2), 510-531, 2021 | 10 | 2021 |
Hierarchical facility location problems I Contreras, C Ortiz-Astorquiza Location science, 365-389, 2019 | 10 | 2019 |
The minimum flow cost Hamiltonian cycle problem: A comparison of formulations C Ortiz-Astorquiza, I Contreras, G Laporte Discrete Applied Mathematics 187, 140-154, 2015 | 9 | 2015 |