Now showing items 1-20 of 141

    • Sources of linear and non-linear synchrony between brain and muscles: linear and non-linear CMC sources 

      Vidaurre, Carmen Upna; Gómez Fernández, Marisol Upna; Nolte, Guido; Villringer, Arno; Carlowitz Ghori, Katherina von; Nikulin, Vadim V. (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena
      This manuscript shows that it is possible to find distinct sources of brain activity, at similar frequencies, arising from linear and non-linear interactions of the brain with the muscular system. Those sources were obtained ...
    • Searching for a Debreu’s open gap lemma for semiorders 

      Estevan Muguerza, Asier Upna (Springer, 2020)   Capítulo de libro / Liburuen kapitulua
      In 1956 R. D. Luce introduced the notion of a semiorder to deal with indifference relations in the representation of a preference. During several years the problem of finding a utility function was studied until a ...
    • Topologies for semicontinuous Richter–Peleg multi-utilities 

      Bosi, Gianni; Estevan Muguerza, Asier Upna; Raventós Pujol, Armajac Upna (Springer, 2020)   Artículo / Artikulua  OpenAccess
      The present paper gives a topological solution to representability problems related to multi-utility, in the field of Decision Theory. Necessary and sufficient topologies for the existence of a semicontinuous and finite ...
    • Corticomuscular interactions during different movement periods in a multi-joint compound movement 

      Kenville, Rouven; Maudrich, Tom; Vidaurre, Carmen; Maudrich, Dennis; Villringer, Arno; Nikulin, Vadim V.; Ragert, Patrick (Nature Research, 2020)   Artículo / Artikulua  OpenAccess
      While much is known about motor control during simple movements, corticomuscular communication profiles during compound movement control remain largely unexplored. Here, we aimed at examining frequency band related ...
    • Hyperspectral imaging to assess the presence of powdery mildew (Erysiphe necator) in cv. Carignan Noir grapevine bunches 

      Pérez Roncal, Claudia Upna; López Maestresalas, Ainara Upna; López Molina, Carlos Upna; Jarén Ceballos, Carmen Upna; Urrestarazu Vidart, Jorge Upna; Santesteban García, Gonzaga Upna; Arazuri Garín, Silvia Upna (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Powdery mildew is a worldwide major fungal disease for grapevine, which adversely affects both crop yield and produce quality. Disease identification is based on visible signs of a pathogen once the plant has already been ...
    • On the performances of trend and change-point detection methods for remote sensing data 

      Militino, Ana F. Upna; Moradi, Mohammad Mehdi; Ugarte Martínez, María Dolores Upna (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Detecting change-points and trends are common tasks in the analysis of remote sensing data. Over the years, many different methods have been proposed for those purposes, including (modified) Mann-Kendall and Cox-Stuart ...
    • Decomposition and arrow-like aggregation of fuzzy preferences 

      Raventós Pujol, Armajac Upna; Campión Arrastia, María Jesús Upna; Induráin Eraso, Esteban Upna (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      We analyze the concept of a fuzzy preference on a set of alternatives, and how it can be decomposed in a triplet of new fuzzy binary relations that represent strict preference, weak preference and indifference. In this ...
    • Uniformly convergent expansions for the generalized hypergeometric functions p –1Fp and pFp 

      López García, José Luis Upna; Pagola Martínez, Pedro Jesús Upna; Karp, D. B. (Taylor & Francis, 2020)   Artículo / Artikulua
      We derive a convergent expansion of the generalized hypergeometric function p−1 F p in terms of the Bessel functions 0 F 1 that holds uniformly with respect to the argument in any horizontal strip of the complex plane. We ...
    • Automatic detection of high-voltage power lines in LiDAR surveys using data mining techniques 

      Chasco Hernández, Daniel; Sanz Delgado, José Antonio Upna; García Morales, Víctor; Álvarez-Mozos, Jesús Upna (Springer, 2020)   Contribución a congreso / Biltzarrerako ekarpena
      The correct classification of power lines in LiDAR point clouds has attracted the interest of the mapping community in the last years. The objective of this research is the detection and automatic extraction of high-voltage ...
    • New fractional step Runge-Kutta-Nyström methods up to order three 

      Bujanda Cirauqui, Blanca Upna; Moreta, M. Jesús; Jorge Ulecia, Juan Carlos Upna (Elsevier, 2020)   Artículo / Artikulua
      Fractional Step Runge–Kutta–Nyströ (FSRKN) methods have been revealed to be an excellent option to integrate numerically many multidimensional evolution models governed by second order in time partial differential equations. ...
    • Trend analysis in L-fuzzy contexts with absent values 

      Alcalde, Cristina; Burusco Juandeaburre, Ana Upna; Bustince Sola, Humberto Upna; Sesma Sara, Mikel Upna (University of Sistan and Baluchestan (Irán), 2020)   Artículo / Artikulua  OpenAccess
      Sometimes we have to work with L-fuzzy context sequences where one or more values are missing. These sequences can represent, among other things, the evolution in time of an L-fuzzy context. The studies of tendencies that ...
    • On admissible orders over closed subintervals of [0,1] 

      Santana, Fagner; Bedregal, Benjamin Upna; Viana, Petrucio; Bustince Sola, Humberto Upna (Elsevier, 2020)   Artículo / Artikulua
      In this paper, we make some considerations about admissible orders on the set of closed subintervals of the unit interval I[0,1], i.e. linear orders that refine the product order on intervals. We propose a new way to ...
    • Evolution of L-fuzzy contexts associated with criteria 

      Alcalde, Cristina; Burusco Juandeaburre, Ana Upna (Springer, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper will delve deeper into the general study of the L-fuzzy contexts associated with criteria analyzing situations with a known evolution over time. These criteria may be independent or dependent on each other. We ...
    • Crime against women in India: unveiling spatial patterns and temporal trends of dowry deaths in the districts of Uttar Pradesh 

      Vicente, G.; Goicoa Mangado, Tomás Upna; Fernández Rasines, Paloma Upna; Ugarte Martínez, María Dolores Upna (Wiley, 2020)   Artículo / Artikulua  OpenAccess
      Crimes against women in India have been continuously increasing lately as reported by the National Crime Records Bureau. Gender-based violence has become a serious issue to such an extent that it has been catalogued as a ...
    • Embeddability of ℓp and bases in Lipschitz free p-spaces for 0 < p ≤ 1 

      Albiac Alesanco, Fernando José Upna; Ansorena, José L.; Cúth, Marek; Doucha, Michal (Elsevier, 2020)   Artículo / Artikulua
      Our goal in this paper is to continue the study initiated by the authors in of the geometry of the Lipschitz free p-spaces over quasimetric spaces for 0 < p ≤ 1, denoted Fp(M). Here we develop new techniques to show that, ...
    • Performance measures in dose-finding experiments 

      Flournoy, Nancy; Moler Cuiral, José Antonio Upna; Plo, Fernando (John Wiley & Sons, 2020)   Artículo / Artikulua  OpenAccess
      In the first phase of pharmaceutical development, and assuming that the probability of positive response increases with dose, the main statistical goal is to estimate a percentile of the dose–response function for a given ...
    • Psychosocial adjustment of in-home caregivers of family members with dementia and parkinson's disease: a comparative study 

      Lopes Dos Santos, María Cristina Upna; Navarta Sánchez, María Victoria; Moler Cuiral, José Antonio Upna; García Lautre, Ignacio Upna; Anaut Bravo, Sagrario Upna; Portillo, Mari Carmen (Hindawi, 2020)   Artículo / Artikulua  OpenAccess
      Neurodegenerative diseases such as Parkinson's and dementia are highly prevalent worldwide. People who suffer from these disorders often receive in-home care and assistance from family members, who must dedicate a considerable ...
    • Analysis of singular one-dimensional linear boundary value problems using two-point Taylor expansions 

      Ferreira González, Chelo Upna; López García, José Luis Upna; Pérez Sinusía, Ester Upna (University of Szeged (Hungría), 2020)   Artículo / Artikulua  OpenAccess
      We consider the second-order linear differential equation (x2 − 1)y'' + f (x)y′ + g(x)y = h(x) in the interval (−1, 1) with initial conditions or boundary conditions (Dirichlet, Neumann or mixed Dirichlet–Neumann). The ...
    • Interval subsethood measures with respect to uncertainty for the interval-valued fuzzy setting 

      Pekala, Barbara; Bentkowska, Urszula; Sesma Sara, Mikel Upna; Fernández Fernández, Francisco Javier Upna; Lafuente López, Julio Upna; Altalhi, A. H.; Knap, Maksymilian; Bustince Sola, Humberto Upna; Pintor Borobia, Jesús María Upna (Atlantis Press, 2020)   Artículo / Artikulua  OpenAccess
      In this paper, the problem of measuring the degree of subsethood in the interval-valued fuzzy setting is addressed. Taking into account the widths of the intervals, two types of interval subsethood measures are proposed. ...
    • The swallowtail integral in the highly oscillatory region 

      Ferreira González, Chelo Upna; López García, José Luis Upna; Pérez Sinusía, Ester Upna (2020)   Artículo / Artikulua  OpenAccess
      We analyze the asymptotic behavior of the swallowtail integral R ∞ −∞ e i(t 5+xt3+yt2+zt)dt for large values of |y| and bounded values of |x| and |z|. We use the simpli ed saddle point method introduced in [López et ...