• Magnetic confinement of a neutral atom in a double-wire waveguide: a nonlinear dynamics approach 

      Salas, José Pablo; Iñarrea, Manuel; Lanchares, Víctor; Palacián Subiela, Jesús Francisco Upna Orcid; Yanguas Sayas, Patricia Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      In this paper we focus on the classical dynamics of a neutral atom trapped in a doublewire waveguide in the presence of two uniform bias fields. Because the trapping region takes place in a plane perpendicular to the ...
    • Managing transportation externalities in the Pyrenees region: measuring the willingness-to-pay for road freight noise reduction using an experimental auction mechanism 

      Denant-Boemont, Laurent; Faulín Fajardo, Javier Upna Orcid; Hammiche, Sabrina; Serrano Hernández, Adrián Upna Orcid (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      The estimation of the noise impact caused by road freight transportation is critical to have acknowledgment of the ambiance pollution caused by road traffic crossing geographical areas containing important natural resources. ...
    • A mathematical approach to law and deal modelling: legislation and agreements 

      Benito Ostolaza, Juan Miguel Upna Orcid; Campión Arrastia, María Jesús Upna Orcid; Estevan Muguerza, Asier Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Social norms are a set of rules to be followed by the people of a community in order to have a better coexistence, to which the behaviors, tasks, and activities of the human being must be adjusted. The set or system of ...
    • Mathematical content on STEM activities 

      Lasa Oyarbide, Aitzol Upna; Abaurrea Larrayoz, Jaione Upna Orcid; Iribas Pardo, Haritz Upna Orcid (Indonesian Mathematical SocietySriwijaya University (Indonesia), 2020)   Artículo / Artikulua  OpenAccess
      In this paper, a number of STEM educational proposals are systematically analyzed from the lens of mathematics education. An extensive innovation project was implemented during the 2019/2020 academic year in a pilot study ...
    • Measures of embedding for interval-valued fuzzy sets 

      Bouchet, Agustina; Sesma Sara, Mikel Upna Orcid; Ochoa Lezaun, Gustavo Upna Orcid; Bustince Sola, Humberto Upna Orcid; Montes, Susana; Díaz, Irene (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      Interval-valued fuzzy sets are a generalization of classical fuzzy sets where the membership values are intervals. The epistemic interpretation of interval-valued fuzzy sets assumes that there is one real-valued membership ...
    • Medicago sativa and Medicago truncatula show contrasting root metabolic responses to drought 

      Echeverría Obanos, Andrés Upna Orcid; Larrainzar Rodríguez, Estíbaliz Upna Orcid; Li, Weiqiang; Watanabe, Yasuko; Sato, Muneo; Tran, Cuong Duy; Moler Cuiral, José Antonio Upna Orcid; Hirai, Masami; Sawada, Yuji; Tran, Lam-Son; González de Andrés, Ester Upna Orcid (Frontiers Media, 2021)   Artículo / Artikulua  OpenAccess
      Drought is an environmental stressor that affects crop yield worldwide. Understandingplant physiological responses to stress conditions is needed to secure food in futureclimate conditions. In this study, we applied a ...
    • Minimal determinization algorithm for fuzzy automata 

      González de Mendívil Grau, Aitor; Stanimirovic, Stefan; Fariña Figueredo, Federico (IEEE, 2023)   Artículo / Artikulua  OpenAccess
      The determinization of fuzzy automata is a well-studied problem in theoretical computer science celebrated for its practical applications. Indeed, in the fields of fuzzy discrete event systems, fault diagnosis, clinical ...
    • Mixed-dimensional geometric multigrid methods for single-phase flow in fractured porous media 

      Arrarás Ventura, Andrés Upna Orcid; Gaspar, F. J.; Portero Egea, Laura Upna Orcid; Rodrigo, C. (SIAM, 2019)   Artículo / Artikulua  OpenAccess
      This paper deals with the efficient numerical solution of single-phase flow problems in fractured porous media. A monolithic multigrid method is proposed for solving two-dimensional arbitrary fracture networks with vertical ...
    • Mixture functions and their monotonicity 

      Špirková, Jana; Beliakov, Gleb Upna; Bustince Sola, Humberto Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      We consider mixture functions, which are a type of weighted averages for which the corresponding weights are calculated by means of appropriate continuous functions of their inputs. In general, these mixture function need ...
    • MmWave channel stationarity analysis of V2X communications in an urban environment 

      Rodríguez Corbo, Fidel Alejandro; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Celaya Echarri, Mikel Upna Orcid; Shubair, Raed M.; Falcone Lanas, Francisco Javier Upna Orcid (IEEE, 2023)   Artículo / Artikulua  OpenAccess
      Vehicular communication channels are subject to high nonstationarity mainly characterized by the scatterers’ and/or transceivers’ high mobility. In this sense, this letter presents a characterization of the channel ...
    • Modeling of noisy acceleration signals from quasi-periodic movements for drift-free position estimation 

      Zivanovic, M; Millor, N; Gomez, M; Gómez Fernández, Marisol Upna Orcid; Millor Muruzabal, Nora; Zivanovic Jeremic, Miroslav (IEEE, 2019)   Artículo / Artikulua  OpenAccess
      We present a novel approach to drift-free position estimation from noisy acceleration signals which often arise from quasi-periodic small-amplitude body movements. In contrast to the existing methods, this data-driven ...
    • Un modelo para predecir cuántas camas UCI harán falta durante cada oleada 

      Mallor Giménez, Fermín Upna Orcid; García de Vicuña Bilbao, Daniel Upna Orcid (Asociacion the Conversation España, 2021)   Artículo / Artikulua  OpenAccess
      La crisis financiera mundial de 2008 puso de moda en España el término económico “prima de riesgo”, hasta entonces desconocido. Del mismo modo, la pandemia ha popularizado expresiones y términos como “doblar la curva”, ...
    • Moderate deviation and restricted equivalence functions for measuring similarity between data 

      Altalhi, A. H.; Forcén Carvalho, Juan Ignacio; Pagola Barrio, Miguel Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Bustince Sola, Humberto Upna Orcid; Takáč, Zdenko (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      In this work we study the relation between moderate deviation functions, restricted dissimilarity functions and restricted equivalence functions. We use moderate deviation functions in order to measure the similarity or ...
    • Moisture content estimation models of flour matrices in the 67-110 GHz frequency range using a nondestructive and contactless monitoring system 

      Quemada Mayoral, Carlos Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid; Beruete Díaz, Miguel Upna Orcid; Gonzalo García, Ramón Upna Orcid; Iriarte Galarregui, Juan Carlos Upna Orcid (IEEE, 2023)   Artículo / Artikulua  OpenAccess
      This work addresses the lack of moisture content estimation models for food products in the millimeter-wave frequency range and showcases the potential of this range for designing compact, cost-effective, and in-line food ...
    • Monitoring rainfed alfalfa growth in semiarid agrosystems using Sentinel-2 imagery 

      Echeverría Obanos, Andrés Upna Orcid; Urmeneta, Alejandro; González de Audícana Amenábar, María Upna Orcid; González de Andrés, Ester Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      The aim of this study was to assess the utility of Sentinel-2 images in the monitoring of the fractional vegetation cover (FVC) of rainfed alfalfa in semiarid areas such as that of Bardenas Reales in Spain. FVC was sampled ...
    • Motor-imagery-based brain-computer interface using signal derivation and aggregation functions 

      Fumanal Idocin, Javier Upna Orcid; Wang, Yu-Kai; Lin, Chin-Teng; Fernández Fernández, Francisco Javier Upna Orcid; Sanz Delgado, José Antonio Upna Orcid; Bustince Sola, Humberto Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      Brain Computer Interface (BCI) technologies are popular methods of communication between the human brain and external devices. One of the most popular approaches to BCI is Motor Imagery (MI). In BCI applications, the ...
    • Multi-criteria simulation-optimization analysis of usage of automated parcel lockers: a practical approach 

      Sawik, Bartosz; Serrano Hernández, Adrián Upna Orcid; Muro, Álvaro; Faulín Fajardo, Javier Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      The rapid growth of electronic commerce is having an impact on the way urban logistics are organized. In metropolitan settings, the last-mile delivery problem, i.e., the problem regarding the final stage of delivering a ...
    • A multi-splitting method to solve 2D parabolic reaction-diffusion singularly perturbed systems 

      Clavero, Carmelo; Jorge Ulecia, Juan Carlos Upna Orcid (Elsevier, 2023)   Artículo / Artikulua
      In this paper we design and analyze a numerical method to solve a type of reaction-diffusion 2D parabolic singularly perturbed systems. The method combines the central finite difference scheme on an appropriate piecewise ...
    • The multidimensional conception of social exclusion and the aggregation dilemma: a solution proposal based on multiple correspondence analysis 

      Laparra Navarro, Miguel Upna Orcid; Zugasti Mutilva, Nerea Upna Orcid; García Lautre, Ignacio Upna Orcid (Springer, 2021)   Artículo / Artikulua  OpenAccess
      The main objective of the article is twofold. On the one hand, it aims to offer a critical analysis of the different operationalizations of the concept of social exclusion at the international level, including reflection ...
    • Multidistances and inequality measures on abstract sets: an axiomatic approach 

      Campión Arrastia, María Jesús Upna Orcid; Díaz, Irene; Induráin Eraso, Esteban Upna Orcid; Martín, Javier; Mayor, Gaspar; Montes Rodríguez, Susana; Raventós Pujol, Armajac Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      Starting from the notion of a multidistance, we formalize, through a suitable system of axioms, the concept of an inequality measure defined on a nonempty set with no additional structure implemented a priori. Among ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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