Buscar
Mostrando ítems 21-30 de 79
Artículo
A mathematical programming approach to overlapping community detection
(Elsevier, 2022-06-02)
We propose a new optimization model to detect overlapping communities in networks. The model elaborates suggestions contained in Zhang et al. (2007), in which overlapping communities were identified through the use of a ...
Artículo
Analysis of the barriers to the adoption of zero-emission vehicles in Spain
(Elsevier, 2022)
This paper investigates Spanish drivers’ perceptions of the main barriers existing in Spain to the purchase of zero-emission vehicles (ZEVs). Following a comprehensive literature review in this field, this paper ...
Artículo
A test for Gaussianity in Hilbert spaces via theempirical characteristic functional
(Wiley, 2020-04-28)
LetX1,X2,...be independent and identically distributedrandom elements taking values in a separable HilbertspaceH. With applications for functional data in mind,Hmay be regarded as a space of square-integrable func-tions, ...
Artículo
Virtual Social Network Dependence and School Climate in Dating Violence in Adolescence
(RISE, 2020-06-25)
En este estudio se analizaron lasrelaciones entre la dependencia a las redes sociales virtuales, el clima escolar y la violencia de pareja online en adolescentes desde una perspectiva de género. La muestra estuvo formada ...
Artículo
Artículo
Parental Socialization, Social Anxiety, and School Victimization: A Mediation Model
(MDPI, 2020-03-29)
The aim of this study was to examine the relationship between parenting dimensions (involvement/acceptance vs. strictness/imposition) and school victimization, considering the possible mediating role of social anxiety. The ...
Artículo
Primordial perturbations in kinetically dominated regimes of general relativity and hybrid quantum cosmology
(American physical society, 2021-11-18)
Scalar fields with an energy density dominated by its kinetic part may have played a relevant role in the very early stages of the Universe. Compared to the standard inflationary paradigm, they may lead to modifications ...
Artículo
Segmentation of scanning-transmission electron microscopy images using the ordered median problem
(Elsevier, 2022-01-15)
This paper presents new models for segmentation of 2D and 3D Scanning-Transmission Electron Micro- scope images based on the ordered median function. The main advantage of using this function is its good adaptability to ...
Artículo
On sparse ensemble methods: an application to short-term predictions of the evolution of COVID-19
(Elsevier, 2021-04-18)
Since the seminal paper by Bates and Granger in 1969, a vast number of ensemble methods that combine different base regressors to generate a unique one have been proposed in the literature. The so-obtained regressor method ...
Artículo
Relationship between School Integration, Psychosocial Adjustment and Cyber-Aggression among Adolescents
(MDPI, 2020-12-26)
The aim of this study was to analyze the relationships between sociometric types in the classroom—rejected, preferred, neglected, controversial and average—and psychological discomfort, life satisfaction and cyber-aggression, ...