Marn Alfredo

Alfredo Marn

Information about the author Alfredo Marn will soon be added to the site.
Found 21 papers in total
A parallelized Lagrangean relaxation approach for the discrete ordered median problem
A parallelized Lagrangean relaxation approach for the discrete ordered median problem
2016
We study a flexible discrete location model which has as particular cases the p...
Balancing the arrival times of users in a two-stage location problem
Balancing the arrival times of users in a two-stage location problem
2016
There has been a number of facility location problems dealing with the introduction of...
When centers can fail: A close second opportunity
When centers can fail: A close second opportunity
2015
This paper presents the p ‐next center problem, which aims to locate p out of n...
Looking for edge-equitable spanning trees
Looking for edge-equitable spanning trees
2014
This paper studies the Ordered Spanning Tree Problem, where the weights of the edges...
Closest assignment constraints in discrete location problems
Closest assignment constraints in discrete location problems
2012
The objective of this paper is to identify the most promising sets of closest...
New formulation and a branch‐and‐cut algorithm for the multiple allocation p‐hub median problem
New formulation and a branch‐and‐cut algorithm for the multiple allocation p‐hub median problem
2012
This article deals with the uncapacitated multiple allocation p ‐hub median...
Solving Large p‐Median Problems with a Radius Formulation
Solving Large p‐Median Problems with a Radius Formulation
2011
By means of a model based on a set covering formulation, it is shown how the p...
Lagrangean bounds for the optimum communication spanning tree problem
Lagrangean bounds for the optimum communication spanning tree problem
2010
This paper considers the Optimum Communication Spanning Tree Problem. An integer...
Discrete location for bundled demand points
Discrete location for bundled demand points
2010
This paper considers a discrete location problem where the demand points are grouped....
An extended covering model for flexible discrete and equity location problems
An extended covering model for flexible discrete and equity location problems
2010
To model flexible objectives for discrete location problems, ordered median functions...
New facets for the two-stage uncapacitated facility location polytope
New facets for the two-stage uncapacitated facility location polytope
2009
The two-stage uncapacitated facility location problem is considered. This problem...
Solving the uncapacitated multiple allocation hub location problem by means of a dual-ascent technique
Solving the uncapacitated multiple allocation hub location problem by means of a dual-ascent technique
2007
This paper deals with the uncapacitated multiple allocation hub location problem. The...
Lower bounds for the two-stage uncapacitated facility location problem
Lower bounds for the two-stage uncapacitated facility location problem
2007
In the two-stage uncapacitated facility location problem, a set of customers is served...
New formulations for the uncapacitated multiple allocation hub location problem
New formulations for the uncapacitated multiple allocation hub location problem
2006
In this paper we review the integer linear formulations of the uncapacitated multiple...
A strengthened formulation for the simple plant location problem with order
A strengthened formulation for the simple plant location problem with order
2007
The simple plant location problem with order, a generalization of the well-known...
Formulating and solving splittable capacitated multiple allocation hub location problems
Formulating and solving splittable capacitated multiple allocation hub location problems
2005
It is only recently that good formulations and properties for the basic versions of...
Uncapacitated Euclidean hub location: strengthened formulation, new facets and a relax-and-cut algorithm
Uncapacitated Euclidean hub location: strengthened formulation, new facets and a relax-and-cut algorithm
2005
The multiple allocation uncapacitated hub location problem is considered. This problem...
Applying Lagrangian relaxation to the resolution of two-stage location problems
Applying Lagrangian relaxation to the resolution of two-stage location problems
1999
A family of two-stage location problems is considered. These problems involve a system...
Some personal views on the current state and the future of Locational Analysis
Some personal views on the current state and the future of Locational Analysis
1998
In this paper a group of participants of the 12th European Summer Institute which took...
The return plant location problem: Modelling and resolution
The return plant location problem: Modelling and resolution
1998
The formulation and analysis of a new plant location problem is presented. The problem...
A branch-and-bound algorithm for the transportation problem with location of p transshipment points
A branch-and-bound algorithm for the transportation problem with location of p transshipment points
1997
A transshipment-related problem is considered. This problem involves a system with a...
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