Listar Dpto. Estadística, Informática y Matemáticas - Estatistika, Informatika eta Matematika Saila [desde mayo 2018 / 2018ko maiatzetik] por título
Mostrando ítems 26-45 de 526
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Analysis of remarkable bolides observed between June and July 2022 in the framework of the Southwestern EuropeMeteor Network
Madiedo, J. M.; Ortiz, J. L.; Izquierdo, J.; Santos-Sanz, P.; Aceituno, J.; Guindos, E. de; Yanguas Sayas, Patricia
; Palacián Subiela, Jesús Francisco ; San Segundo, A.; Ávila, D.; Tosar, B.; Gómez-Hernández, A.; Gómez-Martínez, J.; García, A.; Aimee, A. I. (MeteorNews, 2022)
Artículo / Artikulua 
Some of the bright bolides spotted in the framework of the Southwestern Europe Meteor Network from June to July 2022 are discussed here. These were observed from Spain. Their absolute magnitude ranges from –6 to –11. ... -
Analysis of singular one-dimensional linear boundary value problems using two-point Taylor expansions
Ferreira González, Chelo; López García, José Luis ; Pérez Sinusía, Ester (University of Szeged (Hungría), 2020)
Artículo / Artikulua
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 ... -
Analysis of the suitability of the EOLO wind-predictor model for the spanish electricity markets
Martínez-Lastras, Saray; Frías Paredes, Laura ; Prieto-Herráez, Diego; Gastón Romeo, Martín; González-Aguilera, Diego (MDPI, 2023)
Artículo / Artikulua
Wind energy forecasting is a critical aspect for wind energy producers, given that the chaotic nature and the intermittence of meteorological wind cause difficulties for both the integration and the commercialization of ... -
Analytic approximations of integral transforms in terms of elementary functions: application to special functions
Palacios Herrero, Pablo (2023)
Tesis doctoral / Doktoretza tesia
This thesis focuses on the study of new analytical methods for the approximation of integral transforms and, in particular, of special functions that admit an integral representation. The importance of these functions lies ... -
An analytic representation of the second symmetric standard elliptic integral in terms of elementary functions
Bujanda Cirauqui, Blanca ; López García, José Luis ; Pagola Martínez, Pedro Jesús ; Palacios Herrero, Pablo (Springer, 2022)
Artículo / Artikulua
We derive new convergent expansions of the symmetric standard elliptic integral RD(x,y,z), for x,y,z∈C∖(−∞,0], in terms of elementary functions. The expansions hold uniformly for large and small values of one of the three ... -
Analytical ray transfer matrix for the crystalline lens
Navarro, Rafael; Lockett-Ruiz, Verónica; López García, José Luis (OSA Publishing, 2022)
Artículo / Artikulua
We present the formulation of a paraxial ray transfer or ABCD matrix for onion-type GRIN lenses. In GRIN lenses, each iso-indicial surface (IIS) can be considered a refracting optical surface. If each IIS is a shell or ... -
Analyzing the determinant characteristics for a good performance at enade brazilian exam stratified by teaching modality: face-to-face versus online
(SciTePress, 2022) Contribución a congreso / Biltzarrerako ekarpena
The National Student Performance Exam (ENADE) annually evaluates different Brazilian higher education courses. This exam considers both face-to-face and distance learning courses. Distance learning is growing increasingly, ... -
Application and comparison of CC-integrals in business group decision making
Wieczynski, Jonata; Lucca, Giancarlo; Borges, Eduardo N.; Pereira Dimuro, Graçaliz ; Lourenzutti, Rodolfo; Bustince Sola, Humberto (Springer, 2022)
Contribución a congreso / Biltzarrerako ekarpena
Optimized decisions is required by businesses (analysts) if they want to stay open. Even thought some of these are from the knowhow of the managers/executives, most of them can be described mathematically and solved ... -
Application of the Sugeno integral in fuzzy rule-based classification
Wieczynski, Jonata; Lucca, Giancarlo; Borges, Eduardo N.; Pereira Dimuro, Graçaliz (Springer, 2022)
Contribución a congreso / Biltzarrerako ekarpena
Fuzzy Rule-Based Classification System (FRBCS) is a well known technique to deal with classification problems. Recent studies have considered the usage of the Choquet integral and its generalizations to enhance the quality ... -
Applications of sensing for disease detection
Castro, Ana Isabel de; Pérez Roncal, Claudia ; Thomasson, J. Alex; Ehsani, Reza; López Maestresalas, Ainara ; Yang, Chenghai; Jarén Ceballos, Carmen ; Wang, Tianyi; Cribben, Curtis; Marín Ederra, Diana ; Isakeit, Thomas; Urrestarazu Vidart, Jorge ; López Molina, Carlos ; Wang, Xiwei; Nichols, Robert L.; Santesteban García, Gonzaga ; Arazuri Garín, Silvia ; Peña, José Manuel (Springer, 2021)
Capítulo de libro / Liburuen kapitulua
The potential loss of world crop production from the effect of pests, including weeds, animal pests, pathogens and viruses has been quantifed as around 40%. In addition to the economic threat, plant diseases could have ... -
Association of intrinsic capacity with incidence and mortality of cardiovascular disease: prospective study in UK Biobank
Ramírez Vélez, Robinson; Iriarte-Fernández, María; Santafé Rodrigo, Guzmán ; Malanda Trigueros, Armando ; Beard, John R.; García Hermoso, Antonio; Izquierdo Redín, Mikel (Wiley, 2023)
Artículo / Artikulua
Background: The World Health Organization proposed the concept of intrinsic capacity (IC; the composite of all the physical and mental capacities of the individual) as central for healthy ageing. However, little research ... -
Association of intrinsic capacity with respiratory disease mortality
Ramírez Vélez, Robinson; Iriarte-Fernández, María; Santafé Rodrigo, Guzmán ; Malanda Trigueros, Armando ; Beard, John R.; García Hermoso, Antonio; Izquierdo Redín, Mikel (Elsevier, 2023)
Artículo / Artikulua
The World Health Organization (WHO) introduced a framework for healthy aging in 2015 that emphasizes functional ability instead of absence of disease. Healthy ageing is defined as “the process of building and maintaining ... -
Asymptotic approximation of a highly oscillatory integral with application to the canonical catastrophe integrals
Ferreira González, Chelo; López García, José Luis ; Pérez Sinusía, Ester (Wiley, 2023)
Artículo / Artikulua
We consider the highly oscillatory integral 𝐹(𝑤) ∶= ∫ ∞ −∞ 𝑒𝑖𝑤(𝑡𝐾+2+𝑒𝑖𝜃𝑡𝑝) 𝑔(𝑡)𝑑𝑡 for large positive values of 𝑤, −𝜋 < 𝜃 ≤ 𝜋, 𝐾 and 𝑝 positive integers with 1 ≤ 𝑝 ≤ 𝐾, and 𝑔(𝑡) an entire function. ... -
An asymptotic expansion of the hyberbolic umbilic catastrophe integral
Ferreira González, Chelo; López García, José Luis ; Pérez Sinusía, Ester (Springer, 2022)
Artículo / Artikulua
We obtain an asymptotic expansion of the hyperbolic umbilic catastrophe integral Ψ(H) (x,y,z) := ∫∞−∞∫∞−∞exp(i(s3+t3+zst +yt+xs))ds dt for large values of |x| and bounded values of |y| and |z|. The expansion is given ... -
Asymptotic expansions for Moench's integral transform of hydrology
López García, José Luis ; Pagola Martínez, Pedro Jesús ; Pérez Sinusía, Ester (MDPI, 2023)
Artículo / Artikulua
Theis' theory (1935), later improved by Hantush & Jacob (1955) and Moench (1971), is a technique designed to study the water level in aquifers. The key formula in this theory is a certain integral transform H[g](r,t) of ... -
Asymptotic greediness of the Haar system in the spaces Lp[0 , 1] , 1< p< ∞
Albiac Alesanco, Fernando José ; Ansorena, José L.; Berná, Pablo M. (Springer, 2019)
Artículo / Artikulua
Our aim in this paper is to attain a sharp asymptotic estimate for the greedy constant Cg[H(p), Lp] of the (normalized) Haar system H(p) in Lp[0 , 1] for 1 < p < ∞. We will show that the super-democracy constant of H(p) ... -
Automatic contactless injection, transportation, merging, and ejection of droplets with a multifocal point acoustic levitator
Brizzotti Andrade, Marco Aurélio; Camargo, Thales S. A.; Marzo Pérez, Asier (AIP Publishing, 2018)
Artículo / Artikulua
We present an acoustic levitation system that automatically injects, transports, merges and ejects liquid droplets in mid-air. The system consists of a phased array operating at 40 kHz on top of a plane reflector. The phase ... -
Automatic detection of high-voltage power lines in LiDAR surveys using data mining techniques
Chasco Hernández, Daniel; Sanz Delgado, José Antonio ; García Morales, Víctor; Álvarez-Mozos, Jesús (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 ... -
Autonomous robot for construction stake out
Zaratiegui Fernández, Javier ignacio; Dios Ursúa, Carlos Juan de; Marzo Pérez, Asier (2021)
Contribución a congreso / Biltzarrerako ekarpena
Design, develop and commercial deployment of an autonomous marking device for construction stake out. -
Avatarians: playing with your friends' data
Marzo Pérez, Asier ; Ardaiz Villanueva, Óscar (ACM, 2012)
Contribución a congreso / Biltzarrerako ekarpena
This article describes a new game mechanic called Game Entity Social Mapping (GESM) based on using social networking data fetched from a remote site about the player and his contacts to create characters, items or scenarios. ...
