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Documentos disponibles de esta editorial (2214)
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A new high-resolution (1/12? ×l/12?) regional ocean tide model for Canary Islands region (Spain), by assimilating TOPEX/Poseidon altimetry data and tide gauge measurements into a hydrodynamic model, is presented. This regional ocean tide model i[...]texto impreso
García Morato, Sara ; Fernández Jalvo, Yolanda ; Montalvo, Claudia I. ; Andrews, Peter ; Marín Monfort, María Dolores ; Fagoaga, Ana ; Domínguez García, Ángel C. ; Alberdi, María Teresa ; Bonini, Ricardo ; Cerdeño, Esperanza ; Denys, Christiane ; Domingo Martínez, Laura ; Domingo Martínez, María Soledad ; Gutiérrez, María A. ; López Cantalapiedra, Juan ; Pesquero, M. Dolores ; Prado, José Luis ; Sevilla, Paloma ; Stoetzel, Emmanuelle ; Tomassini, Rodrigo L. ; Fernández, Fernando J. | Elsevier | 2021-03-01The apparently regular and favourable climate that characterizes the Holocene as an interglacial period shows, however, important climatic instability well documented in the Northern Hemisphere. These fluctuations from colder to warmer or wetter[...]texto impreso
A new species of Dracoderes, Daracoderes spyro sp. nov., is described from Hispaniola Island (Caribbean Sea), and represents the first record of this genus in American waters. The new species is distinguished from its congeners by the presence o[...]texto impreso
We describe the first bioinclusion found in a new Cretaceous amber outcrop, called La Rodada, in the Province of Asturias (North of Spain). It represents the first fossil record of the genus Epieremulus Berlese, 1916 (Acariformes, Oribatida, Cal[...]texto impreso
Finkel Morgenstern, Federico ; Gómez-Ullate Otaiza, David ; González López, Artemio ; Rodríguez González, Miguel Ángel | Elsevier | 2001-10-15We construct several new families of exactly and quasi-exactly solvable BCN-type Calogero-Sutherland models with internal degrees of freedom. Our approach is based on the introduction of a new family of Dunkl operators of B-N type which, togethe[...]texto impreso
A classical inequality due to Bohnenblust and Hille states that for every positive integer m there is a constant C(m) > 0 so that (Sigma(N)(i1...., im=1) vertical bar U(e(i1), ..., e(im))vertical bar(2m/m+1))(m+1/2m) C, where C(m) = m(m+1/2m[...]texto impreso
Juncal Rosales, Manuel Antonio ; Lloret, Joan ; Diez, José B. ; López Gómez, José ; Horra, Raúl de la ; Barrenechea, José F. ; Arche, Alfredo | Elsevier | 2019-02In the western European basins, the paleoflora of late Pennsylvanian-early Permian transition is still a matter of discussion in terms of its age determination and biostratigraphic ranges. This study represents a review of the Upper Carboniferou[...]texto impreso
Local field potentials (LFPs) reflect the coordinated firing of functional neural assemblies during information coding and transfer across neural networks. As such, it was proposed that the extraordinary variety of cytoarchitectonic elements in [...]texto impreso
Delgado, José ; Rosa, Julio ; Peláez, José A. ; Rodríguez Peces, Martín Jesús ; Tsige Aga, Meaza | Elsevier | 2020-10Land-use decisions in relation to seismic-induced landslide hazard are usually made through the preparation of hazard maps. The rigid-block method is probably the most used for this purpose. Under this method, Newmark displacement is computed fo[...]texto impreso
Ochoa-Hueso, Raúl ; Allen, Edith B. ; Branquinho, Cristina ; Cruz, Cristina ; Dias, teresa ; Fenn, Mark. E. ; Manrique Eol, Esteban ; Pérez Corona, Esther ; Sheppard, Lucy J. ; Stock, William D. | Elsevier | 2011-10We review the ecological consequences of N deposition on the five Mediterranean regions of the world. Seasonality of precipitation and fires regulate the N cycle in these water-limited ecosystems, where dry N deposition dominates. Nitrogen accum[...]texto impreso
Ochoa-Hueso, Raúl ; Mejías-Sanz, V. ; Pérez Corona, Esther ; Manrique Eol, Esteban | Elsevier | 2013-01In this article we evaluate the potential use of Cladonia foliacea tissue N content, C:N ratio, and phosphomonoesterase (PME) activity as biomarkers of N deposition by means of a field experiment. In order to do this, we continuously added NH4NO[...]texto impreso
Exudates and muscles from Atlantic salmon samples, subjected to different E-beam irradiation treatments, have been employed to monitor, through 1 H NMR analysis, the effects of irradiation dose and storage time on methylamine compounds. The thre[...]texto impreso
Several nodular gypsum beds exhibiting a remarkable vertical arrangement of individual nodules are present in the Miocene continental evaporite formations of the Calatayud Basin, northeastern Spain. The growth of the gypsum nodules, initially an[...]texto impreso
Zuloaga-Ramirez, Pablo ; Frövel, Malte ; Belenguer Dávila, Tomás ; Salazar, Felix | Elsevier | 2015-03This work presents the evaluation of a new non-contact technique to assess the fatigue damage state of CFRP structures by measuring surface roughness parameters. Surface roughness and stiffness degradation have been measured in CFRP coupons cycl[...]texto impreso
We prove that the space of dihedralangles of hyperbolic three-dimensional polyhedra, or of compact hyperbolicpolyhedra, of a given combinatorial type is not convex.texto impreso
Fort González, Rafael ; Álvarez de Buergo, Mónica ; Pérez-Monserrat, Elena Mercedes | Elsevier | 2013Several types of granite found in two architectural heritage monuments were assessed with two non-destructive, portable techniques: Schmidt hammer rebound and ultrasound velocity (Vp). Similar assessments were conducted on the rock from which th[...]texto impreso
Jiménez Rodríguez, Pablo ; Muñoz-Fernández, Gustavo A. ; Seoane-Sepúlveda, Juan B. | Elsevier | 2012-08-15Let E be a topological vector space and let us consider a property P. We say that the subset M of E formed by the vectors in E which satisfy P is ?-lineable (for certain cardinal ?, finite or infinite) if M ? {0} contains an infinite dimensional[...]texto impreso
We calculate the energy levels of two particles trapped in a harmonic potential. The actual two-body potential, assumed to be spherically symmetric, is replaced by a projective operator (non-local separable potential) to determine the energy lev[...]texto impreso
Parveen, N. ; Fernandez, M.C. ; Haynes, A.M. ; Zhang, R.-L. ; Godornes, B.C. ; Centurion-Lara, A. ; Giacani, L. | Elsevier | 2019-07-04T17:00:19ZBackground: Syphilis is resurgent in many developed countries and still prevalent in developing nations. Current and future control campaigns would benefit from the development of a vaccine, but although promising vaccine candidates were identif[...]texto impreso
Parveen, N. ; Fernandez, M.C. ; Haynes, A.M. ; Zhang, R.-L. ; Godornes, B.C. ; Centurion-Lara, A. ; Giacani, L. | Elsevier | 2019-12-06T21:02:58ZBackground: Syphilis is resurgent in many developed countries and still prevalent in developing nations. Current and future control campaigns would benefit from the development of a vaccine, but although promising vaccine candidates were identif[...]texto impreso
Experimental measurements of Drell-Yan (DY) vector-boson production are available from the Large Hadron Collider (LHC) and from lower-energy collider and fixed-target experiments. In the region of low vector-boson transverse momenta q(T), which [...]texto impreso
Miguel Garcinuño, José Manuel de ; Martín Forés, Irene ; Acosta Gallo, Belén ; Pozo Lira, Alejandro del ; Ovalle, Carlos ; Sánchez Jardón, Laura ; Castro Parga, Isabel ; Casado González, Miguel Ángel | Elsevier | 2016-11Invasion by exotic species in Mediterranean grasslands has determined assembly patterns of native and introduced species, knowledge of which provides information on the ecological processes underlying these novel communities. We considered grass[...]texto impreso
Derivation and experimental violation of Bell-like inequalities involve the measurement of incompatible observables. Simple complementarity forbids the existence of such joint probability distribution. Moreover, the measurement of incompatible o[...]texto impreso
We study the qualitative behaviour of solutions of the equation ut?(um)xx+b?(u?)x=0 when it models some evaporation phenomena, ?texto impreso
Autilio, Chiara ; Echaide Torreguitar, Mercedes ; Benachi, Alexandra ; Marfaing-Koka, Anne ; Capoluongo, Ettore D. ; Pérez-Gil, Jesús ; De Lucca, Daniele | Elsevier | 2017-03Objective: To determine the diagnostic accuracy of the surfactant adsorption test (SAT) as a predictor for the need for surfactant replacement therapy in neonates with respiratory distress syndrome (RDS). Study design Amniotic fluid samples were[...]texto impreso
The authors consider a reaction-diffusion equation in a bounded smooth domain ??R n with nonlinear flux terms on the boundary of ? . They derive suitable conditions on the nonlinear terms of the problem which imply its dissipativity. The autho[...]texto impreso
We study resonant tunnelling through double-barrier structures under an applied bias voltage, in which nonlinearities due to self-interaction of electrons in the barrier regions are included. As an approximation, we concern ourselves with thin b[...]texto impreso
In this paper, we study the existence of infinite dimensional closed linear subspaces of a rearrangement invariant space on [0,1] every nonzero element of which does not belong to any included rearrangement invariant space of the same class such[...]texto impreso
Díaz Díaz, Jesús Ildefonso ; Lerena, Belén ; Padial Molina, Juan Francisco ; Rakotoson, Jean Michel Theresien | Elsevier | 1999We prove the existence and the regularity of solutions of an elliptic-parabolic equation involving the notions of relative rearrangement and monotone rearrangement. These equations were obtained from 3D MHD systems, taking, (in particular) into [...]texto impreso
We introduce a new class of nonreflecting boundary conditions for lattice models, which minimizes reflections at artificial boundaries. Exact integrodifferential boundary conditions for finite chains and half-spaces are obtained by means of Gree[...]texto impreso
Azagra Rueda, Daniel ; Ferrera Cuesta, Juan ; López-Mesas Colomina, Fernando | Elsevier | 2005-03-15We establish some perturbed minimization principles, and we develop a theory of subdifferential calculus, for functions defined on Riemannian manifolds. Then we apply these results to show existence and uniqueness of viscosity solutions to Hamil[...]texto impreso
We prove that every function f:Rn?R satisfies that the image of the set of critical points at which the function f has Taylor expansions of order n?1 and non-empty subdifferentials of order n is a Lebesgue-null set. As a by-product of our proof,[...]texto impreso
We study interpolation methods associated to polygons and establish estimates for the norms of interpolated operators. Our results explain the geometrical base of estimates in the literature. Applications to interpolation of weighted L(p)-spaces[...]texto impreso
Norovirus is a frequent cause of acute gastroenteritis and is usually spread through the fecal-oral route. Most patients will recover with supportive care, but in immunocompromised patients, norovirus can be debilitating. Since norovirus has a l[...]texto impreso
The axiomatic approach to rational decision malting in a fuzzy environment proposed by Fung and Fu (1975) lays down a too restrictive family of aggregation rules. Because of such axioms, the independence of the size of the groups under aggregati[...]texto impreso
This note considers the N- and D-policies for the M/G/1queue. We concentrate on the true relationship between the optimal N- and D-policies when the cost function is based on the expected number of customers in the system.texto impreso
This paper is a contribution to the body of results concerning the size of the set of derivatives of differentiable functions on a Banach space. The results so far have consisted of examples of highly differentiable bump functions (or functions [...]texto impreso
We obtain the first integrals Tr(Rk) by using a differential equation of the Lax type of simpler structure than the one obtained in a recent paper. Certain questions raised in this paper on the relation between noncanonical symmetries S and comp[...]texto impreso
Andrés Guerrero, Vanessa ; Zong, Mengmeng ; Ramsay, Eva ; Rojas López, Blanca ; Sarkhel, Sanjay ; Gallego Collado, Beatriz Isabel ; Hoz Montañana, Rosa de ; Ramírez Sebastián, Ana Isabel ; Salazar Corral, Juan José ; Triviño Casado, Alberto ; Ramirez Sebastian, Jose Manuel ; Amo, Eva M. del ; Cameron, Neil ; Las Heras Polo, Beatriz de ; Urtti, Arto ; Mihov, George ; Dias, Aylvin ; Herrero Vanrell, Rocío | Elsevier | 2015-08-10Most of the posterior segment diseases are chronic and multifactorial and require long-term intraocular medication. Conventional treatments of these pathologies consist of successive intraocular injections, which are associated with adverse effe[...]texto impreso
Ponce, Reynaldo ; León-Janampa, Nancy ; Gilman, Robert H. ; Liendo, Ruddy ; Roncal, Elisa ; Luis, Sueline ; Quiñones-García, Stefany ; Silverstein, Zach ; Garcia, Hector H. ; Gonzales, Armando ; Sheen, Patricia ; Zimic, Mirko ; Pajuelo, Monica J. ; Cysticercosis Working Group in Peru | Elsevier | 2018-11-30T02:09:28ZCysticercosis is a worldwide parasitic disease of humans and pigs principally caused by infection with the larvae of the pork tapeworm Taenia solium. Through the use of the recently-made-available T. solium genome, we identified a gene within a [...]texto impreso
Philippart, Anahí ; Gómez-Cerezo, Natividad ; Arcos, Daniel ; Salinas Sánchez, Antonio J. ; Boccardi, Elena ; Vallet Regí, María ; Boccaccini, A. R. | Elsevier | 2017-01-01Ion-doped binary SiO2-CaO and ternary SiO2-CaO-P2O5 mesoporous bioactive glasses were synthesized and characterized to evaluate the influence of P2O5 in the glass network structure. Strontium, copper and cobalt oxides in a proportion of 0.8 mol%[...]texto impreso
Acar, Duygu ; Molina Martínez, Irene Teresa ; Gómez Ballesteros, Miguel ; Guzmán Navarro, Manuel ; Benítez del Castillo, José Manuel ; Herrero Vanrell, Rocío | Elsevier | 2018-02Purpose. Artificial tears are widely used in the treatment of dry eye disease, although current formulations do not closely resemble natural tears. The purpose of this study was the design and characterization of a novel in situ gelling artifici[...]texto impreso
Alvarez-Llamas, Gloria ; Maes, Xavier ; Muñoz-García, Esther ; Villalba, Mayte ; Rodríguez, Rosalía ; Pérez-Gordo, Marina ; Vivanco, Fernando ; Pérez-Gordo, Carlos ; Cuesta-Herranz, Javier | Elsevier | 2015-03Mustard is a condiment added to a variety of foodstuffs and a frequent cause of food allergy. A new strategy for the detection of mustard allergen in food products is presented. The methodology is based on liquid chromatography analysis coupled [...]texto impreso
Nuhs, Andrea ; Schafer, Carola ; Zander, Dorothea ; Trube, Leona ; Tejera Nevado, Paloma ; Schmidt, Sonja ; Arevalo, Jorge ; Adaui, Vanessa ; Maes, Louis ; Dujardin, Jean-Claude ; Clos, Joachim | Elsevier | 2020-06-10T18:11:33ZProtozoa of the Leishmania genus cause a variety of disease forms that rank at the top of the list of neglected tropical diseases. Anti-leishmanial drugs based on pentavalent antimony have been the mainstay of therapy for over 60 years and resi[...]texto impreso
Enciso, Alberto ; Finkel Morgenstern, Federico ; González López, Artemio ; Rodríguez González, Miguel Ángel | Elsevier | 2008-02-01In this paper we study a novel spin chain with nearest-neighbors interactions depending on the sites coordinates, which in some sense is intermediate between the Heisenberg chain and the spin chains of Haldane-Shastry type. We show that when the[...]texto impreso
Verastegui, Manuela R. ; Mejia, Alan ; Clark, Taryn ; Gavidia, Cesar M. ; Mamani, Javier ; Ccopa, Fredy ; Angulo, Noelia ; Chile, Nancy ; Carmen, Rogger ; Medina, Roxana ; Garcia, Hector H. ; Rodriguez, Silvia ; Ortega, Ynes ; Gilman, Robert H. | Elsevier | 2019-02-06T14:53:41ZNeurocysticercosis is caused by Taenia solium infecting the central nervous system and is the leading cause of acquired epilepsy and convulsive conditions worldwide. Research into the pathophysiology of the disease and appropriate treatment is h[...]texto impreso
Martínez López, Beatriz ; Ivorra, Benjamin ; Ramos del Olmo, Ángel Manuel ; Sánchez-Vizcaíno, José Manuel | Elsevier | 2012A new, recently published, stochastic and spatial model for the evaluation of classical swine fever virus (CSFV) spread into Spain has been validated by using several methods. Internal validity, sensitivity analysis, validation using historical [...]texto impreso
Vriesea carinata is an endemic bromeliad from the Brazilian Atlantic Forest. It has trichome and tank system in their leaves which allows to absorb water and nutrients. It belongs to Bromeliaceae family, which includes several species highly enr[...]texto impreso
Vriesea carinata is an endemic bromeliad from the Brazilian Atlantic Forest. It has trichome and tank system in their leaves which allows to absorb water and nutrients. It belongs to Bromeliaceae family, which includes several species highly enr[...]texto impreso
This paper explores the impact of elections on public investment. Working with a sample of 67 presidential and parliamentary democracies between 1975 and 2012, we find that the growth rate of nominal public investment is higher at the beginning [...]