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Elsevier |
Documentos disponibles de esta editorial (2214)
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This paper is concerned with a quantitative model describing the interaction of three sociological species, termed as owners, criminals and security guards, and denoted by X, Y and Z respectively. In our model, Y is a predator of the species X, [...]![]()
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In this paper we study to what extent majorities based on difference in support leads to triple-acyclic collective decisions. These majorities, which take into account voters’ intensities of preference between pairs of alternatives through recip[...]![]()
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Borrego Sanz, Lara ; Santos Bueso, Enrique ; Sáenz Francés, Federico ; Martínez de la Casa, Jose Maria ; García Feijoo, Julián ; Gegúndez Fernández, José Antonio ; García Sánchez, Julián | Elsevier | 2014-08Caso clínico: mujer de 35 años enviada a la consulta por disminución de la visión en ojo izquierdo. En la oftalmoscopia se apreció una trombosis venosa de rama en ese mismo ojo. La paciente fue derivada a la unidad de hematología para estudio de[...]![]()
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In this paper we fully describe all tropical linear maps in the tropical projective plane, that is, maps from the tropical plane to itself given by tropical multiplication by a real 3×3 matrix A. The map fA is continuous and piecewise-linear in [...]![]()
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TRPV4 activation triggers the release of melatonin from human non-pigmented ciliary epithelial cells
Melatonin is a neurohormone mainly produced in the pineal gland; nevertheless, various ocular structures such as the ciliary body, lens and the retina produce it. One of the roles of melatonin in the eye is the modulation of intraocular pressure[...]![]()
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Research and development is largely done by multinationals (MNEs) that transfer technology to their foreign subsidiaries. Trustmight be an important determinant of the governance of technology transfers because trust can reduce the dependence of[...]![]()
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Westerlund, Emma E. ; Tovar, Marco A. ; Lonnermark, Elisabet ; Montoya, Rosario ; Evans, Carlton A. | Elsevier | 2019-02-06T14:57:40ZOBJECTIVES: Tuberculosis is frequent among poor and marginalized people whose limited tuberculosis-related knowledge may impair healthcare access. We characterised tuberculosis-related knowledge and associations with delayed treatment and treatm[...]![]()
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Paris, J.L. ; Román, M. ; Cabañas Criado, Maria Victoria ; Vallet Regí, María ; Manzano García, Miguel | Elsevier | 2015-05-30This work presents the tuning of drug-loaded scaffolds for bone regeneration as dual-drug delivery systems. Two therapeutic substances, zoledronic acid (anti-osteoporotic drug) and ibuprofen (antiinflammatory drug) were successfully incorporated[...]![]()
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Tinoco Pérez, Ana Belén ; Valenciano González, Ana Isabel ; Gómez Boronat, Miguel ; Blanco, A.M. ; Nisembaum, Laura Gabriela ; Pedro Ormeño, Nuria de ; Delgado Saavedra, María Jesús | Elsevier | 2015-09Cholecystokinin (CCK) plays a key role in the digestive physiology of vertebrates. However, very little is known about the role of CCK on intestinal functions in fish. The present study identifies two CCK receptor subtypes in a stomachless teleo[...]![]()
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Two new species of Pycnophyidae are described from Japanese waters. Fujuriphyes longispinosus sp. nov. is easily distinguished from the congeners by the presence of extremely long lateral terminal spines, combined with the presence of middorsal [...]![]()
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We prove two properties of the electromagnetic knots in empty space. First, that any standard radiation fields (i.e. satisfying E . B = 0) coincide locally with an electromagnetic knot. Second, that the electric and magnetic helicities of any kn[...]![]()
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Sampling for meiofauna was carried out in 2010 in Bocas del Toro, Northwest Caribbean Panama, as the first part of a study along Caribbean and Pacific coasts of Panama. Nine kinorhynch species were known previously from the area, some of them be[...]![]()
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Meiofaunal sampling was carried out in 2011 in the Pacific coast of Panama, West of Panama City and Las Perlas Archipielago. No kinorhynch species have previously been reported from the area. Seven species were found, four of them new to science[...]![]()
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Vidaña-Vila, Ester ; Navarro, Joan ; Alsina-Pagès, Rosa María ; Ramírez García, Álvaro | Elsevier | 2020-04-03Inventorying and monitoring which bird species inhabit a specific area give rich and reliable information regarding its conservation status and other meaningful biological parameters. Typically, this surveying process is carried out manually by [...]![]()
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It has been recently discovered that exceptional families of Sturm-Liouville orthogonal polynomials exist, that generalize in some sense the classical polynomials of Hermite, Laguerre and Jacobi. In this paper we show how new families of excepti[...]