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Scientific articles

Roldán-Zafra, J., Perea, C. (2022) "Math Learning in a Science Museum—Proposal for a Workshop Design Based on STEAM Strategy to Learn Mathematics. The Case of the Cryptography Workshop", Mathematics, 10 (22):4335

Juan Roldán-Zafra and Carmen Perea (Operations Research Center, University Miguel Hernández of Elche) 
Abstract: In mathematics teaching, great efforts are made, and diverse teaching strategies are employed in order to facilitate students’ learning process. Informal environments have proven to be conducive and motivating spaces for science learning. In particular, science museums can be used as a […]

By salonso, ago

Ferrando, J.C., López-Pellicer, M. (2022) "Classifying Topologies through G-Bases", Axioms, 11 (12):744

Juan Carlos Ferrando (Operations Research Center, University Miguel Hernández of Elche) and Manuel López-Pellicer (Department de Matemática Aplicada and IMPA, Universitat Politècnica de València)
Abstract: We classify several topological properties of a Tychonoff space X by means of certain locally convex topologies T with a G-base located between the pointwise topology τp and the bounded-open topology […]

By salonso, ago

Zubcoff, J.-J., Olcina, J., Morales, J., Mazón, J.-N., Mayoral, A.M. (2023) "Usefulness of open data to determine the incidence of COVID-19 and its relationship with atmospheric variables in Spain during the 2020 lockdown", Technological Forecasting and Social Change, 186:122108

Jose-Jacobo Zubcoff, Jorge Olcina, Jose-Norberto Mazón (University of Alicante), Javier Morales and Asunción M. Mayoral (Operations Research Center, University Miguel Hernández of Elche) 
Abstract: The SARS-CoV-2 pandemic and the spread of the COVID-19 disease led to a lockdown being imposed in Spain to minimise contagion from 16 March 2020 to 1 May 2020. Over this period, […]

By salonso, ago

Esteve, M., Aparicio, J., Rodríguez-Sala, J.J., Zhu, J. (2023) "Random Forests and the measurement of super-efficiency in the context of Free Disposal Hull", European Journal of Operational Research, 304 (2):729–744

Miriam Esteva, Juan Aparicio, Jesús Javier (Operations Research Center, University Miguel Hernández of Elche) and Joe Zhu (Foisie Business School, Worcester Polytechnic Institute,)
Abstract: In the technical efficiency evaluation area, it may happen that many observations obtain a similar relative technical efficiency status, making it difficult to discriminate between them. The determination of super-efficiency has been […]

By salonso, ago

Esteban, M.D., Hobza, T., Morales, D., Pérez, A. (2023) "Small Area Estimation of Proportion-Based Indicators", Balakrishnan, N., Gil, M.A. Martín, N., Morales, D., Pardo, M.C., (eds.), Trends in Mathematical, Information and Data Sciences A Tribute to Leandro Pardo, 445:329–337

María Dolores Esteban, Domingo Morales, Agustín Pérez (Operations Research Center, University Miguel Hernández of Elche) and Tomáš Hobza (Czech Technical University in Prague)
Abstract: This paper considers a unit-level multinomial model with logit link for small area estimation of proportion-based socioeconomic indicators. For a labour force survey, some of these indicators are totals of unemployed people, […]

By salonso, ago

Jose-Jacobo Zubcoff, Jorge Olcina, Javier Morales, Jose-Norberto Mazón, & Asunción M. Mayoral (2023). Usefulness of open data to determine the incidence of COVID-19 and its relationship with atmospheric variables in Spain during the 2020 lockdown. Technological Forecasting and Social Change, 186, 122108.

Jose-Jacobo Zubcoff (University of Alicante), Jose Olcina (University of Alicante), Javier Morales (University Miguel Hernández of Elche), Jose-Norberto Mazón (University of Alicante) and María Asunción Martínez Mayoral (University Miguel Hernández of Elche)
Abstract:
The SARS-CoV-2 pandemic and the spread of the COVID-19 disease led to a lockdown being imposed in Spain to minimise contagion from 16 March […]

By anabel.perez, ago

Borrás, F., Ruiz, J.L., Sirvent, I. (2023) "Peer evaluation through cross-efficiency based on reference sets", Omega, 114:102739

Fernando Borrás (Departamento de Estadística, Matemáticas e Informática, Universidad Miguel Hernández), José Luis Ruiz and Inmaculada Sirvent (Operations Research Center, University Miguel Hernández of Elche)
Abstract: Cross-efficiency evaluates the performance of decision making units (DMUs) from the perspective of all of the others, through their individual Data Envelopment Analysis (DEA) weights. The main weakness with this […]

By salonso, ago

Hobza, T., Morales, D. (2023) "An Area-Level Gamma Mixed Model for Small Area Estimation", Balakrishnan, N., Gil, M.A. Martín, N., Morales, D., Pardo, M.C., (eds.), Trends in Mathematical, Information and Data Sciences A Tribute to Leandro Pardo, 445:329–337

Tomáš Hobza (Czech Technical University in Prague) and  Domingo Morales (Operations Research Center, University Miguel Hernández of Elche) 
Abstract: This paper introduces an area-level gamma mixed model with log link for small area estimation. A Laplace approximation algorithm is implemented to estimate the model parameters. Empirical best predictors of domain means are derived and their mean […]

By salonso, ago

Martine Labbé, Mercedes Landete, & Juan F. Monge (2023). Bilevel integer linear models for ranking items and sets. Operations Research Perspectives, 10, 100271.

Martine Labbé (Computer Science Department, Université Libre de Bruxelles, Belgium), Mercedes Landete (Operations Research Center, University Miguel Hernández of Elche) and Juan F. Monge (Operations Research Center, University Miguel Hernández of Elche)
Abstract:
Item and set orderings help with data management. Depending on the context, it is just as important to order a list of items […]

By anabel.perez, ago

Herranz, V., Napp, D., Perea, C. (2023) "Weight-2 input sequences of 1/n convolutional codes from linear systems point of view", AIMS Mathematics, 8 (1):713–732

María Victoria Herranz, Carmen Pera (Center of Operations Research, Miguel Hernández University of Elche) and Diego Napp (Departament of Mathematics, University of Alicante)
Abstract: Convolutional codes form an important class of codes that have memory. One natural way to study these codes is by means of input state output representations. In this paper we study the […]

By salonso, ago