Author profile: Carrizosa Priego, Emilio José
Data
Name | Carrizosa Priego, Emilio José |
Department | Estadística e Investigación Operativa |
Knowledge area | Estadística e Investigación Operativa |
Professional category | Catedrático de Universidad |
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Article
![]() On sparse optimal regression trees
(Elsevier, 2021-12-18)
In this paper, we model an optimal regression tree through a continuous optimization problem, where a compromise between ... |
PhD Thesis
![]() New models and methods for classification and feature selection. a mathematical optimization perspective
(2021-07-27)
The objective of this PhD dissertation is the development of new models for Supervised Classification and Benchmarking, ... |
PhD Thesis
![]() Computational Methods for the Analysis of Complex Data
(2021-07-07)
This PhD dissertation bridges the disciplines of Operations Research and Statistics to develop novel computational methods ... |
Article
![]() Analysis of an aggregate loss model in a Markov renewal regime
(ELSEVIER SCIENCE INC, 2020-12-22)
In this article we consider an aggregate loss model with dependent losses. The loss oc- currence process is governed by a ... |
Article
![]() Spotting Key Members in Networks: Clustering-Embedded Eigenvector Centrality
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2020-11-03)
Identifying key members in a social network is critical to understand the underlying system behavior. Whereas there are ... |
Final Degree Project
![]() Random Forests: Properties and applications
(2020-09-01)
Random forests are considered a fundamental tool in supervised learning. Conse quently, random forests are used in a wide ... |
Article
![]() Selection of time instants and intervals with Support Vector Regression for multivariate functional data
(PERGAMON-ELSEVIER SCIENCE LTD, 2020-07-19)
When continuously monitoring processes over time, data is collected along a whole period, from which only certain time ... |
Master's Final Project
![]() Optimisation of Airspace Sectorisation
(2020-06-01)
This research was financially supported by CRIDA, who also provided us data for this research. This master thesis has been ... |
Article
![]() Integer constraints for enhancing interpretability in linear regression
(Institut d´Estadística de Catalunya (Idescat), 2020-04-01)
One of the main challenges researchers face is to identify the most relevant features in a prediction model. As a consequence, ... |
Article
![]() A cost-sensitive constrained Lasso
(Springer, 2020-03-02)
The Lasso has become a benchmark data analysis procedure, and numerous variants have been proposed in the literature. ... |
Article
![]() Sparsity in optimal randomized classification trees
(ELSEVIER SCIENCE BV, 2019-12-16)
Decision trees are popular Classification and Regression tools and, when small-sized, easy to interpret. Traditionally, a ... |
PhD Thesis
![]() New methods and results in the optimisation of solar power tower plants
(2019-12-03)
Renewable energy technology has seen great advances in recent decades, combined with an ever increasing interest in the ... |
Article
![]() Embedding the production policy in location-allocation decisions
(Springer, 2019-11-21)
This paper investigates how the production policy, as well as other factors, affect the facility location-allocation ... |
Article
![]() Visualization of complex dynamic datasets by means of mathematical optimization
(PERGAMON-ELSEVIER SCIENCE LTD, 2019-07-01)
In this paper we propose an optimization model and a solution approach to visualize datasets which are made up of individuals ... |
Final Degree Project
![]() Mathematical optimization in deep learning
(2019-06-01)
Mathematical Optimization plays a pillar role in Machine Learning (ML) and Neural Networks (NN) are amongst the most popular ... |
Article
![]() Variable selection in classification for multivariate functional data
(ELSEVIER SCIENCE INC, 2019-05-01)
When classification methods are applied to high-dimensional data, selecting a subset of the predictors may lead to an ... |
PhD Thesis
![]() ![]() Classification and regression with functional data: a mathematical optimization approach.
(2019-02-15)
El objetivo de esta tesis doctoral es desarrollar nuevos métodos para la clasificación y regresión supervisada en el ... |
Article
![]() Heliostat field cleaning scheduling for Solar Power Tower plants: a heuristic approach
(Elsevier, 2019-02-01)
Soiling of heliostat surfaces due to local climate has a direct impact on their optical efficiency and therefore a direct ... |
Article
![]() Continuous optimisation techniques for optimal aiming strategies in solar power tower plants
(PERGAMON-ELSEVIER SCIENCE LTD, 2019-01-01)
Optimising the aiming strategy is crucial for Solar Power Tower plants, in order to maximise the energy generated, whilst ... |
Article
![]() Functional-bandwidth kernel for Support Vector Machine with Functional Data_An alternating optimization algorithm
(ELSEVIER SCIENCE BV, 2018-11-24)
Functional Data Analysis (FDA) is devoted to the study of data which are functions. Support Vector Ma- chine (SVM) is a ... |
Presentation
![]() Optimisation of Aiming Strategies in Solar Tower Power Plants
(AIP, 2018-11-08)
Inclement weather effects have a direct impact on the efficiency of a Solar Power Tower plant and have the potential to ... |
Article
![]() On support vector machines under a multiple-cost scenario
(Springer, 2018-07-31)
Support vector machine (SVM) is a powerful tool in binary classification, known to attain excellent misclassification ... |
Final Degree Project
![]() El método de aproximación por media muestral
(2018-06-01)
The sample average approximation (SAA) method is an approach for solving stochastic optimization problems by using Monte ... |
Final Degree Project
![]() Regresión Lasso
(2018-06-01)
Currently we find regression problems in many branches of science, so, as better is the model we use to select variables, ... |
Final Degree Project
![]() Optimización matemática en problemas de la Física
(2018-06-01)
In this work, Spin Glasses with Ising Sping model are studied. The objetive is the computation of the magnetic partition ... |
Article
![]() On Building Online Visualization Maps for News Data Streams by Means of Mathematical Optimization
(Mary Ann Liebert, INC, 2018-06-01)
In this article we develop a novel online framework to visualize news data over a time horizon. First, we perform a Natural ... |
Article
![]() Cost-sensitive feature selection for support vector machines
(Elsevier, 2018-03-01)
Feature Selection (FS) is a crucial procedure in Data Science tasks such as Classification, since it identifies the relevant ... |
Article
![]() On Mathematical Optimization for the visualization of frequencies and adjacencies as rectangular maps
(ELSEVIER SCIENCE BV, 2018-02-18)
In this paper, we address the problem of visualizing a frequency distribution and an adjacency relation attached to a set ... |
Final Degree Project
![]() Inferencia bayesiana
(2018-01-01)
The subject of this document is Bayesian Inference, an inference system based on Bayes’ Formula. In the first chapter we ... |
Article
![]() Optimisation of aiming strategies in Solar Power Tower plants
(PERGAMON-ELSEVIER SCIENCE LTD, 2017-10-15)
The distribution of temperature on a Solar Power Tower (SPT) plant receiver directly affects the lifespan of the structure ... |
PhD Thesis
![]() ![]() Mathematical optimization for the visualization of complex datasets
(2017-06-26)
This PhD dissertation focuses on developing new Mathematical Optimization models and solution approaches which help to ... |
Master's Final Project
![]() Aprendizaje supervisado mediante random forests
(2017-06-01)
Muchos problemas de la vida real pueden modelarse como problemas de clasificación, tales como la detección temprana de ... |
Master's Final Project
![]() Optimización de funciones DC. El algoritmo DCA
(2017-06-01)
|
Article
![]() A sparsity-controlled vector autoregressive model
(Oxford University Press, 2017-04-01)
Vector autoregressive (VAR) models constitute a powerful and well studied tool to analyze multivariate time series. Since ... |
Article
![]() A biobjective approach to recoverable robustness based on location planning
(ELSEVIER SCIENCE BV, 2017-02-16)
Finding robust solutions of an optimization problem is an important issue in practice, and various con- cepts on how to ... |
Article
![]() Visualizing proportions and dissimilarities by space-filling maps: a large neighborhood search approach
(Elsevier, 2017-02-01)
In this paper we address the problem of visualizing a set of individuals, which have attached a statistical value given ... |
Article
![]() An optimization tool to design the field of a solar power tower plant allowing heliostats of different sizes
(Wiley, 2017-01-01)
The design of a Solar Power Tower plant involves the optimization of the heliostat field layout. Fields are usually designed ... |
Article
![]() Visualizing data as objects by DC (difference of convex) optimization
(Springer, 2017-01-01)
In this paper we address the problem of visualizing in a bounded region a set of individuals, which has attached a ... |
Article
![]() p-facility Huff location problem on networks
(Elsevier, 2016-11-16)
The p-facility Huff location problem aims at locating facilities on a competitive environment so as to maximize the market ... |
Article
![]() On Extreme Concentrations in Chemical Reaction Networks with Incomplete Measurements
(ACS, 2016-11-09)
A fundamental problem in the analysis of chemical reactions networks consists of identifying concentration values along ... |
Article
![]() Maximal covering location problems on networks with regional demand
(Elsevier, 2016-10-01)
Covering problems are well studied in the Operations Research literature under the assumption that both the set of users ... |
PhD Thesis
![]() Enhancing robustness and sparsity via mathematical optimization
(2016-09-22)
Esta tesis se centra en derivar métodos robustos o dispersos bajo la perspectiva de la optimización para problemas que ... |
Master's Final Project |
Master's Final Project
![]() Constrained support vector machines theory and applications to health science
(2016-06-24)
En los últimos años, la ciencia de los datos se ha convertido en una herramienta muy importante para tratar datos, así ... |
Article
![]() A global optimization method for model selection in chemical reactions networks
(PERGAMON-ELSEVIER SCIENCE LTD, 2016-06-07)
Model inference is a challenging problem in the analysis of chemical reactions networks. In order to empirically test ... |
Final Degree Project
![]() Problemas de localización competitiva. El modelo de Huff
(2016-06-01)
The ability of a firm to produce goods and/or services and market them effectively depends largely on the location of its ... |
Article
![]() Field-design optimization with triangular heliostat pods
(American Institute of Physics, 2016-05-01)
In this paper the optimization of a heliostat field with triangular heliostat pods is addressed. The use of structures ... |
Article
![]() Minimizing the passengers' traveling time in the stop location problem
(TAYLOR & FRANCIS LTD, 2016-05-01)
In this paper we consider the location of stops along the edges of an already existing public transportation network. The ... |
Article
![]() Robust newsvendor problem with autoregressive demand
(Elsevier, 2016-04-01)
This paper explores the classic single-item newsvendor problem under a novel setting which combines temporal dependence ... |
Article
![]() Solving multifacility Huff location models on networks using metaheuristic and exact approaches
(PERGAMON-ELSEVIER SCIENCE LTD, 2016-03-16)
In this paper we consider multifacility Huff facility location problem on networks. First, we introduce a slight modification ... |
Article
![]() Clustering categories in support vector machines
(Elsevier, 2016-02-01)
The support vector machine (SVM) is a state-of-the-art method in supervised classification. In this paper the Cluster ... |
Article
![]() Strongly agree or strongly disagree? Rating features in support vector machines
(Elsevier, 2016-02-01)
In linear classifiers, such as the Support Vector Machine (SVM), a score is associated with each feature and objects are ... |
PhD Thesis
![]() Optimization models in solar power tower plant design. Design of the heliostat field and the tower receivers
(2016-01-08)
El diseño de plantas solares con tecnología de torre (utilizaremos las siglas en inglés SPT) comenzó a ser estudiado en ... |
Final Degree Project
![]() Support vector regression : propiedades y aplicaciones
(2016-01-01)
Statistical learning plays a key role in many areas of science, finance and industry. In particular, supervised learning ... |
Article
![]() Kernel Penalized K-means: A feature selection method based on Kernel K-means
(ELSEVIER SCIENCE BV, 2015-11-20)
We present an unsupervised method that selects the most relevant features using an embedded strategy while maintaining the ... |
Article
![]() Optimization of multiple receivers solar power tower systems
(Elsevier, 2015-10-01)
In this article a new procedure to optimize the design of a Multiple Receivers Solar Power Tower system is presented. The ... |
Article
![]() Comments on: Static and dynamic source locations in undirected networks
(Springer, 2015-09-25)
|
Final Degree Project
![]() Mathematical optimization and social networks
(2015-06-22)
|
Final Degree Project |
Final Degree Project
![]() Mathematical optimization and feature selection
(2015-06-21)
|
Article
![]() A heuristic method for simultaneous tower and pattern-free field optimization on solar power systems
(Elsevier, 2015-05-01)
A heuristic method for optimizing a solar power tower system is proposed, in which both heliostat field (heliostat locations ... |
Article
![]() Threshold robustness in discrete facility location problems: a bi-objective approach
(Springer, 2015-04-24)
The two best studied facility location problems are the p-median problem and the uncapacitated facility location problem ... |
PhD Thesis
![]() Mixed Integer Nonlinear Optimization. Applications to Competitive Location and Supervised Classification
(2015-02-25)
This PhD dissertation focuses on the study of Mixed Integer Nonlinear Programming (MINLP) problems [34] for two important ... |
Presentation |
Article
![]() Biobjective sparse principal component analysis
(Academic Press Inc., 2014-08-21)
Principal Components are usually hard to interpret. Sparseness is considered as one way to improve interpretability, and ... |
Article
![]() New heuristic for harmonic means clustering
(Springer, 2014-05-06)
It is well known that some local search heuristics for K-clustering problems, such as k-means heuristic for minimum ... |
Article
![]() A nested heuristic for parameter tuning in support vector machines
(Elsevier, 2014-03-01)
The default approach for tuning the parameters of a Support Vector Machine (SVM) is a grid search in the parameter space. ... |
Article
![]() Heuristic approaches for support vector machines with the ramp loss
(Springer, 2014-03-01)
Recently, Support Vector Machines with the ramp loss (RLM) have attracted attention from the computational point of view. ... |
Article
![]() Linear separation and approximation by minimizing the sum of concave functions of distances
(Springer, 2014-03-01)
One recently proposed criterion to separate two data sets in Classification is to use a hyperplane that minimizes the sum ... |
Chapter of Book
![]() Vulnerability assessment of spatial networks: models and solutions
(Springer, 2014-01-01)
In this paper we present a collection of combinatorial optimization problems that allows to assess the vulnerability of ... |
Article
![]() The Markovian arrival process: A statistical model for daily precipitation amounts
(ELSEVIER SCIENCE BV, 2013-12-21)
The Markovian arrival process (MAP) is a stochastic process that allows for modeling dependent and non-exponentially ... |
Article
![]() Solving the median problem with continuous demand on a network
(Springer, 2013-12-01)
Where to locate one or several facilities on a network so as to minimize the expected users-closest facility transportation ... |
Article
![]() Locating a semi-obnoxious covering facility with repelling polygonal regions
(ELSEVIER SCIENCE BV, 2013-11-01)
A facility is to be located in the Euclidean plane to serve certain sites by covering them closely. Simultaneously, a set ... |
Article
![]() A global optimisation approach for parameter estimation of a mixture of double Pareto lognormal and lognormal distributions
(PERGAMON-ELSEVIER SCIENCE LTD, 2013-10-30)
The double Pareto Lognormal(dPlN) statistical distribution, defined interms of both an exponentiated skewed Laplace ... |
Article
![]() Variable neighborhood search for minimum sum-of-squares clustering on networks
(ELSEVIER SCIENCE BV, 2013-10-13)
Euclidean Minimum Sum-of-Squares Clustering amounts to finding p prototypes by minimizing the sum of the squared Euclidean ... |
Article
![]() Single-facility huff location problems on networks
(Springer, 2013-09-17)
Huff location problems have been extensively analyzed within the field of competitive continuous location. In this work, ... |
Article
![]() Multi-instance classification through spherical separation and VNS
(PERGAMON-ELSEVIER SCIENCE LTD, 2013-05-17)
A two-class classification problem is considered where the objects to be classified are bags of instances in d-space. The ... |
Article
![]() rs-Sparse principal component analysis: A mixed integer nonlinear programming approach with VNS
(PERGAMON-ELSEVIER SCIENCE LTD, 2013-05-03)
Principal component analysis is a popular data analysis dimensionality reduction technique, aiming to project with minimum ... |
Article
![]() Time series interpolation via global optimization of moments fitting
(ELSEVIER SCIENCE BV, 2013-04-16)
Most time series forecasting methods assume the series has no missing values. When missing values exist, interpolation ... |
Article
![]() Supervised classification and mathematical optimization
(Elsevier, 2013-01-01)
Data Mining techniques often ask for the resolution of optimization problems. Supervised Classification, and, in particular, ... |
Article
![]() Solving Multifacility Huff Location Models on Networks Using Variable Neighborhood Search and Multi-Start Local Search Metaheuristics
(Elsevier, 2012-12-01)
We consider multifacility Huff location problems on networks. The mixed integer nonlinear optimization problem is solved using Variable Neighborhood Search and Multi-Start Local Search metaheuristics. Computational experience is reported. |
Article
![]() VNS heuristic for the (r|p)-centroid problem on the plane
(Elsevier, 2012-12-01)
In the (r | p)-centroid problem, two players, called leader and follower, open facilities to service clients. We assume ... |
Article
![]() A computational study of a nonlinear minsum facility location problem
(PERGAMON-ELSEVIER SCIENCE LTD, 2012-01-31)
A discrete location problem with nonlinear objective is addressed. A set of p plants is to be open to serve a given set ... |
Presentation
![]() Modelo estadístico para la predicción del índice estandarizado de sequía pluviométrica (IESP) en Andalucía
(Universidad de Salamanca, 2012-01-01)
La comunicación aborda el diseño de un modelo estadístico de predicción dinámica de la sequía en Andalucía y su persistencia ... |
Article
![]() Gaussian variable neighborhood search for continuous optimization
(PERGAMON-ELSEVIER SCIENCE LTD, 2012-01-01)
Variable Neighborhood Search (VNS) has shown to be a powerful tool for solving both discrete and box-constrained continuous ... |
Article
![]() Maximizing upgrading and downgrading margins for ordinal regression
(Springer, 2011-12-01)
In ordinal regression, a score function and threshold values are sought to classify a set of objects into a set of ranked ... |
Article
![]() Locating a competitive facility in the plane with a robustness criterion
(Elsevier, 2011-11-16)
A new continuous location model is presented and embedded in the literature on robustness in facility location. The ... |
Article
![]() On approximate Monetary Unit Sampling
(ELSEVIER SCIENCE BV, 2011-09-28)
Monetary Unit Sampling (MUS), also known as Dollar-Unit Sampling, is a popular sampling strategy in Auditing, in which all ... |
Article
![]() Detecting relevant variables and interactions in supervised classification
(Elsevier, 2011-08-16)
The widely used Support Vector Machine (SVM) method has shown to yield good results in Supervised Classification problems. ... |
Article
![]() A global optimization procedure for the location of a median line in the three-dimensional space
(ELSEVIER SCIENCE BV, 2011-06-01)
A global optimization procedure is proposed to find a line in the Euclidean three-dimensional space which minimizes the ... |
Article
![]() Sum-of-squares clustering on networks
(University of Belgrade, 2011-01-01)
Finding p prototypes by minimizing the sum of the squared distances from a set of points to its closest prototype is a ... |
Article
![]() On minimax-regret Huff location models
(Elsevier, 2011-01-01)
We address the following single-facility location problem: a firm is entering into a market by locating one facility in a ... |
Article
![]() Minmax-distance approximation and separation problems: geometrical properties
(Springer, 2010-04-01)
A center hyperplane in the d-dimensional space minimizes the maximum of its distances from a finite set of points A with ... |
Article
![]() Unequal probability sampling from a finite population: A multicriteria approach
(ELSEVIER SCIENCE BV, 2010-03-01)
In this note we address the problem of determining selection probabilities for multipurpose surveys, when the aim is the ... |
Article
![]() Alternating local search based VNS for linear classification
(Springer, 2010-02-01)
We consider the linear classification method consisting of separating two sets of points in d-space by a hyperplane. We ... |
Article
![]() Binarized support vector machines
(INFORMS (Institute for Operations Research and Management Sciences), 2010-01-01)
The widely used Support Vector Machine (SVM) method has shown to yield very good results in Supervised Classification ... |
Article
![]() On the norm of a dc function
(Springer, 2009-11-12)
It is well known that, if a vector-valued function can be written as difference of componentwise convex functions, the ... |
Article
![]() Continuous location problems and Big Triangle Small Triangle: constructing better bounds
(Springer, 2009-11-01)
The Big Triangle Small Triangle method has shown to be a powerful global optimization procedure to address continuous ... |
Article
![]() Locating Objects in the Plane Using Global Optimization Techniques
(Informs, 2009-10-07)
We address the problem of locating objects in the plane such as segments, arcs of circumferences, arbitrary convex sets, ... |
Article
![]() Different numerical methods in the study of passive scalar transport in a pipeline x-junction
(ELSEVIER SCIENCE BV, 2009-01-01)
A computational fluid dynamic model is used to analyze the transport processes of a passive scalar generated in the mixing ... |
Article
![]() Optimal expected-distance separating halfspace
(INFORMS (Institute for Operations Research and Management Sciences), 2008-08-01)
One recently proposed criterion to separate two datasets in discriminant analysis, is to use a hyperplane which minimises ... |
Article
![]() Multi-group support vector machines with measurement costs a biobjective approach
(Elsevier, 2008-03-01)
Support Vector Machine has shown to have good performance in many practical classification settings. In this paper we ... |
PhD Thesis
![]() Optimization-based methods for classification and regression problems with imprecise data
(2008-01-01)
En esta tesis, desarrollamos varias herramientas para resolver problemas de clasificación y regresión donde los elementos ... |
Chapter of Book
![]() Dimensionality Reduction for Classification: Comparison of Techniques and Dimension Choice
(Springer, 2008-01-01)
We investigate the effects of dimensionality reduction using different techniques and different dimensions on six two-class ... |
Article
![]() On the Selection of the Globally Optimal Prototype Subset for Nearest-Neighbor Classification
(Informs, 2007-07-20)
The nearest-neighbor classifier has been shown to be a powerful tool for multiclass classification. We explore both ... |
Article
![]() A biobjective method for sample allocation in stratified sampling
(Elsevier, 2007-03-01)
The two main and contradicting criteria guiding sampling design are accuracy of estimators and sampling costs. In stratified ... |
Article
![]() Inferring efficient weights from pairwise comparison matrices
(Springer, 2006-10-01)
Several multi-criteria-decision-making methodologies assume the existence of weights associated with the different criteria, ... |
Article
![]() Two-group classification via a biobjective margin maximization model
(ELSEVIER SCIENCE BV, 2006-09-16)
In this paper we propose a biobjective model for two-group classification via margin maximization, in which the margins ... |
Article
![]() An exact global optimization method for deriving weights from pairwise comparison matrices
(Springer, 2006-09-06)
Some multiple-criteria decision making methods rank actions by associating weights to the different criteria or actions, ... |
Article
![]() A biobjective method for sample allocation in stratified sampling
(ELSEVIER SCIENCE BV, 2006-02-16)
The two main and contradicting criteria guiding sampling design are accuracy of estimators and sampling costs. In stratified ... |
PhD Thesis
![]() Programación matemática para las máquinas de vector de apoyo: mathematical programming for support vector machines
(2006-01-01)
En esta Tesis Doctoral, presentamos algunas propuestas en las que las herramientas de la Programación Matemática se usan ... |
Article
![]() Deriving Weights in Multiple-Criteria Decision Making with Support Vector Machines
(Springer, 2006-01-01)
A key problem in Multiple-Criteria Decision Making is how to measure the importance of the different criteria when just a ... |
Article
![]() Máquinas de vector de apoyo: problemas de programación matemática en clasificación
(Sociedad de Estadística e Investigación Operativa, 2005-06-01)
|
Article |
Article
![]() Optimal location and design of a competitive facility
(Springer, 2004-06-01)
A single facility has to be located in competition with fixed existing facilities of similar type. Demand is supposed to ... |
Article
![]() An Exact Method for Fractional Goal Programming
(Springer, 2004-01-04)
Goal Programming with fractional objectives can be reduced to mathematical programming with a linear objective under linear ... |
Article
![]() Robust facility location
(Springer, 2003-11-01)
Let A be a nonempty finite subset of the plane representing the geographical coordinates of a set of demand points (towns, ... |
Article
![]() Improving Interval Analysis Bounds by Translations
(Springer, 2003-08-26)
We explore how a simple linear change of variable affects the inclusion functions obtained with Interval Analysis methods. ... |
Article
![]() Problemas de clasificación y optimización
(Real Academia Sevillana de Ciencias, 2003-01-01)
El desarrollo de técncias que permitan clasificar entes (seres vivos, elementos, problemas, ... ) en distintas categorías ... |
Article
![]() Generalized goal programming: polynomial methods and applications
(Springer, 2002-12-01)
In this paper we address a general Goal Programming problem with linear objectives, convex constraints, and an arbitrary ... |
Article
![]() Pareto-Optimality in Linear Regression
(Academic Press Inc. Elsevier Science, 2002-05-25)
In this paper the linear regression problem is studied in the context of vector optimization theory. The set of Pareto-optimal ... |
Article
![]() Optimal Positioning of a Mobile Service Unit on a Line
(Springer, 2002-03-01)
In this paper we address the problem of locating a mobile response unit when demand is distributed according to a random ... |
Article
![]() A fractional model for locating semi-desirable facilities on networks
(ELSEVIER SCIENCE BV, 2002-01-01)
In this paper, we address the problem of locating a series of facilities on a network maximizing the average distance to ... |
Article
![]() A DC biobjective location model
(Springer, 2002-01-01)
In this paper we address the biobjective problem of locating a semiobnoxious facility, that must provide service to a given ... |
Article
![]() An optimal bound for d.c. programs with convex constraints
(Springer, 2001-04-01)
A well-known strategy for obtaining a lower bound on the minimum of a d.c. function f−g over a compact convex set S⊂ℝn ... |
Article
![]() Finding the principal points of a random variable
(EDP Sciences, 2001-01-01)
The p-principal points of a random variable X with finite second moment are those p points in R minimizing the expected ... |
Article
![]() Finding GM-estimators with global optimization techniques
(Springer, 2001-01-01)
In this note we address the problem of finding the GM-estimator for the location parameter of a univariate random variable. ... |
Article
![]() Gauge Distances and Median Hyperplanes
(Springer, 2001-01-01)
A median hyperplane in d-dimensional space minimizes the weighted sum of the distances from a finite set of points to it. ... |
Article
![]() On Covering Methods for D.C. Optimization
(Springer, 2000-11-01)
Covering methods constitute a broad class of algorithms for solving multivariate Global Optimization problems. In this ... |
Article
![]() Optimization of the Norm of a Vector-Valued DC Function and Applications
(Springer, 2000-11-01)
In this paper, we show that a DC representation can be obtained explicitly for the composition of a gauge with a DC mapping, ... |
Article
![]() Solving nonconvex planar location problems by nite dominating sets
(Springer, 2000-10-01)
It is well-known that some of the classical location problems with polyhedral gauges can be solved in polynomial time by ... |
Article
![]() Dominators for multiple-objective quasiconvex maximization problems
(Springer, 2000-01-06)
In this paper we address the problem of finding a dominator for a multiple-objective maximization problem with quasiconvex ... |
Article
![]() Undesirable facility location with minimal covering objectives
(ELSEVIER SCIENCE BV, 1999-11-19)
An undesirable facility is to be located within some feasible region of any shape in the plane or on a planar network. ... |
Article
![]() Combining minsum and minmax: A goal programming approach
(INST OPERATIONS RESEARCH MANAGEMENT SCIENCES, 1999-07-01)
A number of methods for multiple-objective optimization problems (MOP) give as solution to MOP the set of optimal solutions ... |
PhD Thesis |
Article
![]() Polynomial algorithms for parametric minquantile and maxcovering planar location problems with locational constraints
(Springer, 1998-12-01)
A location is sought within some convex region of the plane for the central site of some public service to a finite number ... |
Article
![]() Locating an undesirable facility by generalized cutting planes
(Informs, 1998-08-03)
We address the problem of locating an undesirable facility within a compact set by minimizing a strictly decreasing boundedly ... |
Article
![]() Admission Policies in Loss Queueing Models with Heterogeneous Arrivals
(INST OPERATIONS RESEARCH MANAGEMENT SCIENCES, 1998-03-01)
In this paper we consider a loss system where the arrivals can be classified into different groups according to their ... |
Article
![]() Dominating sets for convex functions with some applications
(Springer, 1998-02-01)
A number of optimization methods require as a rst step the construction of a dominating set (a set containing an optimal ... |
Article
![]() A note on the optimal positioning of service units
(INST OPERATIONS RESEARCH MANAGEMENT SCIENCES, 1998-02-01)
In this paper we address the problem of locating p mobile service units in an n-dimensional space minimizing the expected ... |
Article
![]() Maximin location: discretization not always works
(Springer, 1998-01-01)
In this note we show by means of a simple example that, if the maximin problem with (nonlinear) concave increasing utility ... |
Article
![]() Location and shape of a rectangular facility in ℝn. Convexity properties. Convexity properties
(Springer, 1998-01-01)
In this paper we address a generalization of the Weber problem, in which we seek for the center and the shape of a rectangle ... |
Article
![]() Semi-obnoxious location models: a global optimization approach
(Elsevier, 1997-10-16)
In the last decades there has been an increasing interest in environmental topics. This interest has been reflected in ... |
Article
![]() Weber problems with alternative transportation systems
(ELSEVIER SCIENCE BV, 1997-02-16)
In this paper we address a planar p-facility location problem where, together with a metric induced by a gauge, there ... |
Article
![]() The Weber problem with regional demand
(ELSEVIER SCIENCE BV, 1996-12-27)
This paper is devoted to the study of the Regional Weber Problem, an extension of the Weber problem which allows the demand ... |
Article
![]() A characterization of halfspace depth
(Elsevier, 1996-07-01)
In this note we present a characterization of halfspace depth which relates it with well-known concepts of Locational ... |
Article
![]() A characterization of efficient points in constrained location problems with regional demand
(ELSEVIER SCIENCE BV, 1996-02-01)
In this paper we characterize the set of efficient points in the planar point-objective location problem under a convex ... |
Article
![]() The generalized Weber problem with expected distances
(EDP Sciences, 1995-09-01)
In this paper we study a generalized Weber problem where both demand locations and the facility to be located may be regions ... |
Article
![]() Multi-criteria analysis with partial information about the weighting coefficients
(ELSEVIER SCIENCE BV, 1995-03-02)
In this paper we address the problem of ranking a set of alternatives with partial information about the weighting ... |
Article
![]() A discretizing algorithm for location problems
(ELSEVIER SCIENCE BV, 1995-01-01)
A new and simple methodology is proposed to solve both constrained and unconstrained planar continuous single-facility ... |
Article
![]() The determination of a "least quantile of squares regression line" for all quantiles
(Elsevier Science, 1994-09-01)
Least median of squares regression has shown to be an extremely useful tool in robust regression analysis. In this note, ... |
Article
![]() Multi-criteria analysis with partial information about the weighting coefficients
(ELSEVIER SCIENCE BV, 1993-04-01)
In this paper we address the problem of ranking a set of alternatives with partial information about the weighting ... |
Article
![]() Efficiency in Euclidean constrained location problems
(ELSEVIER SCIENCE BV, 1993-01-01)
In this note we present geometrical characterizations for the set of efficient, weakly efficient and properly efficient ... |
PhD Thesis
![]() Problemas de localización multiobjetivo
(1992-01-01)
El objetivo del presente trabajo es el estudio de ciertos aspectos del problema multiobjetivo P (A, S) cuando el conjunto ... |
Article
![]() A management tool for indicator-supported systems: A public health service application
(ELSEVIER SCIENCE BV, 1992-01-01)
We develop a decision-making methodology for hierarchical structures. It provides different decision makers with ... |