Limited memory Rank-1 cuts for vehicle routing problems.
dc.contributor.author | Pecin, Diego Galindo | |
dc.contributor.author | Pessoa, Artur Alves | |
dc.contributor.author | Poggi, Marcus | |
dc.contributor.author | Barboza, Eduardo Uchoa | |
dc.contributor.author | Santos, Haroldo Gambini | |
dc.date.accessioned | 2018-01-26T13:03:19Z | |
dc.date.available | 2018-01-26T13:03:19Z | |
dc.date.issued | 2017 | |
dc.description.abstract | Pecin et al. (2016) introduced a ‘‘limited memory’’ technique that allows an efficient use of Rank-1 cuts in the Set Partitioning Formulation of Vehicle Routing Problems, motivating a deeper investigation of those cuts. This work presents a computational polyhedral study that determines the best possible sets of multipliers for cuts with up to 5 rows. Experiments with CVRP instances show that the new multipliers lead to significantly improved dual bounds and contributes decisively for solving an open instance with 420 customers. | pt_BR |
dc.identifier.citation | PECIN, D. G. et al. Limited memory Rank-1 cuts for vehicle routing problems. Operations Research Letters, v. 45,p. 206-209, 2017. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0167637717301049>. Acesso em: 16 jan. 2018. | pt_BR |
dc.identifier.doi | https://doi.org/10.1016/j.orl.2017.02.006 | |
dc.identifier.issn | 0167-6377 | |
dc.identifier.uri | http://www.repositorio.ufop.br/handle/123456789/9360 | |
dc.identifier.uri2 | https://www.sciencedirect.com/science/article/pii/S0167637717301049 | pt_BR |
dc.language.iso | en_US | pt_BR |
dc.rights | restrito | pt_BR |
dc.subject | Set Partitioning | pt_BR |
dc.subject | Polyhedral combinatorics | pt_BR |
dc.subject | Branch-cut-and-price algorithms | pt_BR |
dc.title | Limited memory Rank-1 cuts for vehicle routing problems. | pt_BR |
dc.type | Artigo publicado em periodico | pt_BR |
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