Search Results - subject:"Lagrangean Relaxation"

Did you mean: subject:"lagrangian relaxation" (312 results)

Lagrangean relaxation algorithms for fixed-charge capacitated relay network design

Kewcharoenwong, Panitan; Li, Qiaofeng; Üster, Halit - In: Omega : the international journal of management science 121 (2023), pp. 1-12

Persistent link: https://www.econbiz.de/10014471044

A biobjective hierarchical location-allocation approach for the regionalization of maternal-neonatal care

Karakaya, Şakir; Meral, Sedef - In: Socio-economic planning sciences : the international … 79 (2022), pp. 1-22

Persistent link: https://www.econbiz.de/10013327219

Prioritized single nurse routing and scheduling for home healthcare services

Cinar, Ahmet; Salman, F. Sibel; Bozkaya, Burcin - In: European journal of operational research : EJOR 289 (2021) 3, pp. 867-878

Persistent link: https://www.econbiz.de/10012433113

Strong RLT1 bounds from decomposable Lagrangean relaxation for some quadratic 0-1 optimization problems with linear constraints

Guignard-Spielberg, Monique - In: Operations research and systems : XVIII …, (pp. 173-200). 2020

Persistent link: https://www.econbiz.de/10012167799

A new Semi-Lagrangean Relaxation for the p-median problem

Butsch, Alex; Jörnsten, Kurt; Kalcsics, Jörg - Institutt for foretaksøkonomi, Norges Handelshøyskole … - 2015

Recently Beltran-Royo et.al presented a Semi-Lagrangean relaxation for the classical p-median location problem. The … results obtained using the Semi-Lagrangean relaxation approach were quite impressive. In this paper we use a reformulation of … the p-median problem in order to start from a formulation more suitable for Semi-Lagrangean relaxation and analyse the new …

Persistent link: https://www.econbiz.de/10011118582

A new Lagrangean Approach for the Travelling Salesman Problem

Jörnsten, Kurt; Kalcsics, Jörg - Institutt for foretaksøkonomi, Norges Handelshøyskole … - 2015

Lagrangean relaxation and analyse the new approach on examples from TSP Lib. Furthermore the Lagrangean relaxed subproblems are …

Persistent link: https://www.econbiz.de/10011124337

An integrated disaster preparedness model for retrofitting and relief item transportation

Döyen, Alper; Aras, Necati - In: Networks and spatial economics : a journal of … 19 (2019) 4, pp. 1031-1068

Persistent link: https://www.econbiz.de/10012304890

A New Semi-Lagrangean Relaxation for the K-Cardinality Assignment Problem

Belik, Ivan; Jörnsten, Kurt - Institutt for foretaksøkonomi, Norges Handelshøyskole … - 2014

Recently Beltrán-Royo, Vial & Alonso-Ayuso (2012) presented a semi-Lagrangean relaxation for the classical p … relaxation approach, were quite impressive. In this paper we use a semi-Lagrangean relaxation to obtain an efficient solution … limited number of values, making the search for the optimal multiplier easy. Since the semi-Lagrangean relaxation closes the …

Persistent link: https://www.econbiz.de/10011098239

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

A heuristic algorithm for optimal location of flow-refueling capacitated stations

Hosseini, Meysam; MirHassani, S. A. - In: International transactions in operational research : … 24 (2017) 6, pp. 1377-1403

Persistent link: https://www.econbiz.de/10011819931