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Scientific articles

Segura-Heras, J.V., Bermúdez, J.D., Corberán-Vallet, A., Vercher, E. (2022) “Analysis of Weighting Strategies for Improving the Accuracy of Combined Forecasts”, Mathematics, 10 (5):725

José Vicente Segura (Operations Research Center, University Miguel Hernández of Elche), José Domingo Bermúdez, Ana Corberán and Enriqueta Vercher (Department of Statistics and O.R., University of Valencia)
Abstract: This paper deals with the weighted combination of forecasting methods using intelligent strategies for achieving accurate forecasts. In an effort to improve forecasting accuracy, we develop an algorithm […]

By salonso, ago

Landete, M., Sainz-Pardo, J.L. (2022) “The Domatic Partition Problem in Separable Graphs”, Mathematics, 10 (4):640

Mercedes Landete and José Luis Sainz-Pardo (Operations Research Center, University Miguel Hernández of Elche)
Abstract: The domatic partition problem consists of partitioning a given graph into a maximum number of disjoint dominating sets. This problem is related with the domatic number problem, which consists of quantifying this maximum number of disjoint dominating sets. Both problems were […]

By salonso, ago

Alcaraz, J., Aparicio, J., Monge, J.F., Ramón, N. (2022) “Weight profiles in cross-efficiency evaluation based on hypervolume maximization”, Socio-Economic Planning Sciences, 101270

Javier Alcaraz, Juan Aparicio, Juan Francisco Monge and Nuria Ramón (Operations Research Center, University Miguel Hernández of Elche)
Abstract: In this paper, we propose and discuss a new model in order to obtain the weight profiles to be used in the calculation of cross-efficiency scores in Data Envelopment Analysis (DEA). In the standard DEA literature, total […]

By salonso, ago

Burgard, J.P., Krause, J., Morales, D. (2022) “A measurement error Rao–Yu model for regional prevalence estimation over time using uncertain data obtained from dependent survey estimates”, Test, 31: 204–234

Jan Pablo Burgard,  Joscha Krause (Department of Economic and Social Statistics, Trier University) and Domingo Morales (Operations Research Center, University Miguel Hernández of Elche)
Abstract: The assessment of prevalence on regional levels is an important element of public health reporting. Since regional prevalence is rarely collected in registers, corresponding figures are often estimated via small area […]

By salonso, ago

Aparicio, J., Monge, J.F. (2022) «The generalized range adjusted measure in data envelopment analysis: Properties, computational aspects and duality», European Journal of Operational Research, 302 (2):621–632

Juan Aparicio and Juan F. Monge (Center of Operations Research, University Miguel Hernandez of Elche)
Abstract: The measurement of technical efficiency is a topic of great interest in microeconomics and engineering. Data Envelopment Analysis (DEA) is one of the existing techniques for measuring technical efficiency. One of the challenges related to DEA is to introduce a […]

By salonso, ago

Toledo, F.J. (2022) «On the convergence of infinite towers of powers and logarithms for general initial data: applications to Lambert W function sequences», Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas, 116: 71

Francisco Javier Toledo (Centro de Investigación Operativa, Universidad Miguel Hernández de Elche)
Abstract: The objective of this paper is to provide the exact sets of initial data ensuring the convergence or divergence of a special class of real towers of powers and logarithms. All the terms forming these towers have a common value except the cusp […]

By salonso, ago

Toledo, F.J., Herranz, M.V., Blanes, J.M., Galiano, V. (2022) «Quick and Accurate Strategy for Calculating the Solutions of the Photovoltaic Single-Diode Model Equation», IEEE Journal of Photovoltaics, 12 (2):493–500

Francisco Javier Toledo, María Victoria (Centro de Investigación Operativa, Universidad Miguel Hernández de Elche), José Manuel Blanes (Departamento Ciencia de Materiales, Óptica y Tecnología Electrónica, Universidad Miguel Hernández de Elche) and Vicente Galiano (Ingeniería de Computadores, Universidad Miguel Hernández de Elche)
Abstract: The photovoltaic (PV) single-diode model is the most widely used to characterize the behavior […]

By salonso, ago

Moreira, E.M., Valero, J. (2022) «Structure of the attractor for a non-local Chafee-Infante problem», Journal of Mathematical Analysis and Applications, 507 (2):125801

Estefani M. Moreira (Instituto de Ciências Matemáticas e de Computaçao, Universidade de São Paulo)  and José Valero (Centro de Investigación Operativa, Universidad Miguel Hernandez de Elche)
Abstract: In this article, we study the structure of the global attractor for a non-local one-dimensional quasilinear problem. The strong relation of our problem with a non-local version of the […]

By salonso, ago

Toledo, F.J., Blanes, J.M., Galiano, V. (2022) "Comment on “Parameter extraction of single-diode photovoltaic module using experimental current–voltage data”", International Journal of Circuit Theory and Applications, 50 (2): 772–773

Francisco Javier Toledo (Operations Research Center, Miguel Hernandez University, Elche), José Manuel Blanes (Industrial Electronics Group, Miguel Hernández University of Elche (UMH)) and Vicente Galiano (Department of Computers Engineering, Miguel Hernández University of Elche (UMH)) 
Abstract: 

By salonso, ago

Ena, J., Segura-Heras, J.V., Fonseca-Aizpuru, E.M., López-Reboiro M.L., Gracia-Gutiérrez A., Martín-Oterino J.A., Martín-Urda Diez-Canseco A., Pérez-García C., Ramos-Rincón, J.M., Gómez-Huelgas, R. (2022) «Derivation and validation of a risk score for admission to the Intensive Care Unit in patients with COVID-19 | Derivación y validación de una puntuación de riesgo de ingreso en la Unidad de Cuidados Intensivos para pacientes con COVID-19», Revista Clínica Española, 222 (1):1–12

Javier Ena (Servicio de Medicina Interna. Hospital Marina Baixa, Alicante), José Vicente Segura (Operations Research Center, Miguel Hernandez University, Elche), Eva María Fonseca (Servicio de Medicina Interna. Hospital de Cabueñes, Gijón), Manuel Lorenzo López (Servicio de Medicina Interna. Hospital Público de Monforte de Lemos, Lugo), Anyuli Gracia (Servicio de Medicina Interna. Hospital General Defensa, Zaragoza), […]

By salonso, ago