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Ancochea Soto, Eumenio ; Huertas, María José ; Hernán Reguera, Francisco ; Brändle, José Luis ; Alonso, Mar | Elsevier | 2015-09The northern alignment of Cape Verde Archipelago contains three small islands in its central sector: Santa Luzia, Branco and Raso on which there is very scarce geological, petrological or geochronological information available. The three islands[...]texto impreso
The definition and structure of hyperkähler structure preserving transformations (invariance group) for quaternionic structures have been recently studied and some preliminary results on the Euclidean case discussed. In this work we present the [...]texto impreso
We prove that on the bundle of connections of an arbitrary principal bundle ?: P ? M there exists a canonical differential 2--form taking values in the adjoint bundle ;ing: adg:: ad P ? M which defines a generalized symplectic structure and whic[...]texto impreso
Rubio Sánchez, Manuel ; Kinnunen, Päivi ; Pareja Flores, Cristobal ; Velázquez Iturbide, Ángel | Elsevier | 2014Automated assessment systems are gaining popularity within computer programming courses. In this paper we perform an empirical evaluation of Mooshak, an online judge that verifies program correctness, in order to determine its usefulness in clas[...]texto impreso
The Pajares calcrete in Central Spain, a modern calcrete, consists of an accumulation of powder carbonate around the roots of living trees and bushes which penetrates Miocene deposits by more than 3?m. Calcrete development is mostly vertical and[...]texto impreso
Ramos, A. ; Urbieta Quiroga, Ana Irene ; Escalante, G. ; Hidalgo Alcalde, Pedro ; Espinós, J.P. ; Fernández Sánchez, Paloma | Elsevier | 2020-04-15The properties of ZnO based materials for ethanol detection have been studied. Cu doped samples obtained from different precursors have been investigated. ZnO and ZnS have been used as host and Cu and CuO as dopant sources. The sensing measureme[...]texto impreso
In [J. Henry, A.M. Ramos, Factorization of second order elliptic boundary value problems by dynamic programming, Nonlinear Analysis. Theory, Methods & Applications 59 (2004) 629–647] we presented a method for factorizing a second-order boundary [...]texto impreso
Domínguez-Rodrigo, Manuel ; Díez Martín, Fernando ; Yravedra Sainz de los Terreros, José ; Barba, Rebeca ; Mabulla, Audax ; Baquedano, Enrique ; Uribelarrea del Val, David ; Sánchez-Yustos, Policarpo ; Eren, Metin | Elsevier | 2014-02-16Recent excavations at the SHK Main Site, Olduvai Gorge, Tanzania, have unearthed a dense concentration of stone tools and faunal remains. Here, we describe how the site contributes to the understanding of hominin subsistence strategies and paleo[...]texto impreso
Sánchez Moral, Sergio ; Cañaveras, Juan Carlos ; Benavente, David ; Fernández Cortés, Angel ; Cuezva, S. ; Elez, Javier ; Jurado, Valme ; Rogerio Candelera, Miguel Angel ; Saiz Jiménez, Cesareo | Elsevier | 2018-12The Roman Necropolis of Carmona (Sevilla, Spain) has experienced a severe deterioration since the accidental discovery in 1868 and subsequent archaeological excavations starting in 1882. To this deterioration contributed the location in a soft c[...]texto impreso
Reales Calderón, José Antonio ; Martínez Solano, Laura ; Martinez Gomariz, Montserrat ; Nombela, César ; Molero, Gloria ; Gil, Concha | Elsevier | 2012-08In previous proteomic studies on the response of murine macrophages against Candida albicans, many differentially expressed proteins involved in processes like inflammation, cytoskeletal rearrangement, stress response and metabolism were identif[...]texto impreso
We study the electron dynamics in a two-band ?-doped semiconductor within the envelope-function approximation. Using a simple parametrization of the confining potential arising from the ionized donors in the ?-doping layer, we are able to find e[...]texto impreso
We study electron dynamics in a two-band ?-doped semiconductor within the envelope-function approximation. Using a simple parametrization of the confining potential arising from the ionized donors in the ? -doping layer, we are able to find exa[...]texto impreso
Day, Simon ; Llanes Estrada, Pilar ; Silver, Eli ; Hoffmann, Gary ; Ward, Steve ; Driscol, Neal | Elsevier | 2015-11The March 13th 1888 collapse of Ritter Island in Papua New Guinea is the largest known sector collapse of an island volcano in historical times. One single event removed most of the island and its western submarine flank, and produced a landslid[...]texto impreso
Rodríguez Zurrunero, Alvaro ; Granja Bruña, José Luis ; Carbó, Andrés ; Muñoz Martín, Alfonso ; Gorosabel, José Miguel ; Gómez de la Peña, Laura ; Gómez Ballesteros, Mª Purificación ; Pazos, Antonio ; Catalán Morollón, Manuel ; Espinosa, S. ; Druet Vélez, María ; LLanes Estrada, Mª Pilar ; Ten Brink, Uri | Elsevier | 2019-01The northern margin of Hispaniola records the oblique collision/underthrusting of the Bahamas Carbonate Province with the island-arc. Due to the collision, northern Hispaniola has suffered several natural disasters caused by major earthquakes an[...]texto impreso
A Banach space X is subprojective if every infinite-dimensional subspace of X has a subspace which is complemented in X. We prove that separable Nakano sequence spaces l((pn)) are subprojective. Subprojectivity is also characterized in separable[...]