A feasibility pump and a local branching heuristics for the weight-constrained minimum spanning tree problem

C Requejo, E Santos - Computational Science and Its Applications–ICCSA …, 2017 - Springer
Abstract The Weight-constrained Minimum Spanning Tree problem (WMST) is a
combinatorial optimization problem aiming to find a spanning tree of minimum cost with total …

Implicit cover inequalities

A Agra, C Requejo, E Santos - Journal of Combinatorial Optimization, 2016 - Springer
In this paper we consider combinatorial optimization problems whose feasible sets are
simultaneously restricted by a binary knapsack constraint and a cardinality constraint …

[PDF][PDF] Lagrangean based algorithms for the weight-constrained minimum spanning tree problem

C Requejo, E Santos - … , Mahdi (2011) A Polyhedral Study of Mixed …, 2011 - researchgate.net
ABSTRACT The Weight-Constrained Minimum Spanning Tree problem (WMST) is a NP-
hard combinatorial optimization problem having important applications in the …

[PDF][PDF] Modelling and solving complex combinatorial optimization problems: quorumcast routing, elementary shortest path, elementary longest path and agricultural …

QT Bui - 2015 - core.ac.uk
The feasible solution set of a Combinatorial Optimization Problem (COP) is discrete and
finite. Solving a COP is to find optimal solutions in the set of feasible solutions such that the …

Efficient lower and upper bounds for the weight-constrained minimum spanning tree problem using simple Lagrangian based algorithms

C Requejo, E Santos - Operational Research, 2020 - Springer
The weight-constrained minimum spanning tree problem (WMST) is a combinatorial
optimization problem for which simple but effective Lagrangian based algorithms have been …

O Problema Da Árvore De Suporte De Custo Mínimo Com Restrições De Peso

EMM Santos - 2014 - search.proquest.com
In this thesis we discuss several formulations and different methods to solve the Weight-
constrained Minimum Spanning Tree Problem (WMST). This problem, with applications in …

Solving the quorumcast routing problem as a mixed integer program

QT Bui, QD Pham, Y Deville - Integration of AI and OR Techniques in …, 2014 - Springer
The quorumcast routing problem is a generalization of multicasting which arises in many
distributed applications. It consists of finding a minimum cost tree that spans the source node …

[PDF][PDF] Solving the Quorumcast Routing Problem as a Mixed Integer Program

BUI Quoc Trung, QD PHAM, Y DEVILLE - Citeseer
The quorumcast routing problem is a generalization of multicasting which arises in many
distributed applications. It consists of finding a minimum cost tree that spans the source node …