Journal: Optimization Letters

Found 309 papers in total
Location-based techniques for the synergy approximation in combinatorial transportation auctions
Location-based techniques for the synergy approximation in combinatorial transportation auctions
2016,
The use of combinatorial auctions for the procurement of transportation services is...
A decomposition approach to solve a bilevel capacitated facility location problem with equity constraints
A decomposition approach to solve a bilevel capacitated facility location problem with equity constraints
2016,
In this paper, we study a capacitated facility location problem with two decision...
Capacity management in public service facility networks: a model, computational tests and a case study
Capacity management in public service facility networks: a model, computational tests and a case study
2016,
In this work, we present a mathematical model to support location decisions oriented...
Balancing efficiency and equity in location-allocation models with an application to strategic EMS design
Balancing efficiency and equity in location-allocation models with an application to strategic EMS design
2016,
This paper presents an integrated location‐allocation model balancing...
Modelling the mobile target covering problem using flying drones
Modelling the mobile target covering problem using flying drones
2016,
This paper addresses the mobile targets covering problem by using unmanned aerial...
Equality measures properties for location problems
Equality measures properties for location problems
2016,
The objectives underlying location decisions can be various. Among them, equity...
A min-cut approach to functional regionalization, with a case study of the Italian local labour market areas
A min-cut approach to functional regionalization, with a case study of the Italian local labour market areas
2016,
In several economical, statistical and geographical applications, a territory must be...
Ordered median problem with demand distribution weights
Ordered median problem with demand distribution weights
2016,
The ordered median function unifies and generalizes most common objective functions...
A unified solving approach for two and three dimensional coverage problems in sensor networks
A unified solving approach for two and three dimensional coverage problems in sensor networks
2016,
The problem of designing a wired or a wireless sensor network to cover, monitor and/or...
A capacitated hub location problem in freight logistics multimodal networks
A capacitated hub location problem in freight logistics multimodal networks
2016,
In this paper we deal with a capacitated hub location problem arising in a freight...
A Lagrangian heuristic for concave cost facility location problems: the plant location and technology acquisition problem
A Lagrangian heuristic for concave cost facility location problems: the plant location and technology acquisition problem
2016,
We propose a Lagrangian heuristic for facility location problems with concave cost...
Convergence analysis for the modified spectral projected subgradient method
Convergence analysis for the modified spectral projected subgradient method
2015,
In a recent paper, the spectral projected subgradient (SPS) method was introduced by...
Restricted strong convexity and its applications to convergence analysis of gradient-type methods in convex optimization
Restricted strong convexity and its applications to convergence analysis of gradient-type methods in convex optimization
2015,
A great deal of interest of solving large‐scale convex optimization problems...
A new approach for bicriteria partitioning problem
A new approach for bicriteria partitioning problem
2015,
In this paper, we propose a new method to evaluate the performance of an algorithm for...
Error bounds for polynomial optimization over the hypercube using putinar type representations
Error bounds for polynomial optimization over the hypercube using putinar type representations
2015,
Consider the optimization problem p min , Q : = min x ∈ Q p ( x ) , where p is a...
Structure learning of Bayesian Networks using global optimization with applications in data classification
Structure learning of Bayesian Networks using global optimization with applications in data classification
2015,
Bayesian Networks are increasingly popular methods of modeling uncertainty in...
The clique problem for graphs with a few eigenvalues of the same sign
The clique problem for graphs with a few eigenvalues of the same sign
2015,
The quadratic programming problem is known to be NP‐hard for Hessian matrices...
On solving convex optimization problems with linear ascending constraints
On solving convex optimization problems with linear ascending constraints
2015,
In this paper, we propose two algorithms for solving convex optimization problems with...
Convex risk minimization via proximal splitting methods
Convex risk minimization via proximal splitting methods
2015,
In this paper we investigate the applicability of a recently introduced...
Moderately exponential time algorithms for the maximum induced matching problem
Moderately exponential time algorithms for the maximum induced matching problem
2015,
An induced matching M ⊆ E in a graph G = ( V , E ) is a matching such that no two...
The calculus of simplex gradients
The calculus of simplex gradients
2015,
Simplex gradients are widely used in derivative‐free optimization. This article...
Maximizing Barber’s bipartite modularity is also hard
Maximizing Barber’s bipartite modularity is also hard
2015,
Modularity introduced by Newman and Girvan (Phys Rev E 69:026113, 2004) is a quality...
A modified Perry conjugate gradient method and its global convergence
A modified Perry conjugate gradient method and its global convergence
2015,
In this work, we propose a new conjugate gradient method which consists of a...
Optimality conditions for pseudoconvex minimization over convex sets defined by tangentially convex constraints
Optimality conditions for pseudoconvex minimization over convex sets defined by tangentially convex constraints
2015,
We present necessary and sufficient optimality conditions for the minimization of...
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