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Elsevier |
Documentos disponibles de esta editorial (2214)
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In this paper we present two type extensions for the modelling language MiniZinc that allow the representation of some problems in a more natural way. The first proposal, called MiniZinc? , extends existing types with additional values. The user[...]![]()
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Anthropometric literature on the American territories of the Hispanic monarchy before their independence is still scarce. We attempt to expand the field with a case study that includes some important novelties. Albeit our main source, the milita[...]![]()
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Lagrangians are investigated which are defined on the product of the cotangent bundle of a manifold and a vector space, where the vector space is the representation space of a linear representation of the group U(1) as the gauge group. It is sho[...]![]()
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Jabaloy Sánchez, Antonio ; Talavera, Cristina ; Gómez Pugnaire, María Teresa ; López Sánchez-Vizcaíno, Vicente ; Vázquez Vílchez, Mercedes ; Rodríguez Peces, Martín Jesús ; Evans, Noreen Joyce | Elsevier | 2018-10Zircons from the Nevado-Filábride Complex metamorphic rocks yielded 891 concordant inherited detrital ages. The 342 concordant ages from the Aulago Fm indicate a Pennsylvanian maximum depositional age, while the age density distribution indicate[...]![]()
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Jabaloy Sánchez, Antonio ; Talavera, Cristina ; Rodríguez Peces, Martín Jesús ; Vázquez Vílchez, Mercedes ; Evans, Noreen Joyce | Elsevier | 2021-02New U–Pb detrital zircon and U–Pb zircon ages of metaigneous rocks in the Águilas Arc (Betic Chain, SE Spain) allow us to determine the maximum depositional ages of the rocks. Within the Nevado-Filábride Complex, a Late Carboniferous depositiona[...]![]()
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The central and eastern parts of the Sierra de Pie de Palo (Western Sierras Pampeanas, Argentina) are formed by a Mesoproterozoic basement and a Neoproterozoic sedimentary cover. Both were involved in an accretionary orogeny (penetrative deforma[...]![]()
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We interpret the reciprocation process in K[[x]] as a fixed point problem related to contractive functions for certain adequate ultrametric spaces. This allows us to give a dynamical interpretation of certain arithmetical triangles introduced he[...]![]()
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This paper is devoted to introducing additional structure on ?ech homology groups. First, we redefine the ?ech homology groups in terms of what we have called approximative homology by using approximative sequences of cycles, just as Borsuk intr[...]![]()
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Moreno Guzmán, María ; Ojeda, Irene ; Villalonga, Reynaldo ; González Cortés, Araceli ; Yáñez Sedeño, Paloma ; Pingarrón Carrazón, José Manuel | Elsevier | 2012This work reports for the first time an electrochemical immunosensor for the determination of adrenocorticotropin hormone (ACTH). The immunoelectrode design involves the use of amino phenylboronic acid for the oriented immobilization of anti-ACT[...]![]()
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Gómez-Heras, Miguel ; Benavente, David ; Pla, Concepcion ; Martínez-Martínez, J. ; Fort González, Rafael ; Brotons, Vicente | Elsevier | 2020-11-20Uniaxial compressive strength (UCS) is one of the most important parameters in rock mechanics. Nevertheless, there are instances when it is not advisable to perform UCS standardised tests, because it is not possible to sample or because it is no[...]![]()
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Paris, J.L. ; Mannaris, Christophoros ; Cabañas Criado, Victoria ; Carlisle, Robert ; Manzano García, Miguel ; Vallet Regí, María ; Coussios, Constantin C. | Elsevier | 2017-12-12Mesoporous silica nanoparticles have been reported as suitable drug carriers, but their successful delivery to target tissues following systemic administration remains a challenge. In the present work, ultrasound-induced inertial cavitation was [...]![]()
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Rodríguez Peces, Martín Jesús ; Román Herrera, J.C. ; Peláez, José A. ; Delgado, José ; Tsige Aga, Meaza ; Martino, Salvatore ; Garrido, Jesús | Elsevier | 2020-08Land-use planning in regard of earthquake-triggered landslides is usually implemented by means of the production of hazard maps. The well-known Newmark rigid block methodology is the most frequent used approach for this purpose. In this method, [...]![]()
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We provide an example of how the complex dynamics of a recently introduced model can be understood via a detailed analysis of its associated Riemann surface. Thanks to this geometric description an explicit formula for the period of the orbits c[...]![]()
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Cobo-Simón, Irene ; Méndez, Belén ; Jump, Alistair S. ; Seco, José ; Gallego Rodríguez, Francisco Javier ; Linares, Juan Carlos | Elsevier | 2020-04-01Increasing variability and uncertainty regarding future climate provide new challenges for the conservation of endangered tree species. For example, threat status can be impacted by genetic diversity, where forest trees show reduced geographic r[...]![]()
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Inbreeding depression, the reduction of fitness caused by inbreeding, is a nearly universal phenomenon that depends on past mutation, selection, and genetic drift. Recent estimates suggest that its impact on individual fitness is even greater th[...]![]()
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The study investigated the effect of general and homogeneous tree cover on grassland composition on an extensive Mediterranean rangeland with sparse oak trees in central Spain. We analyzed this effect together with other significant factors iden[...]![]()
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Arsuaga, Juan Luis ; Baquedano, Enrique ; Pérez-González, Alfredo ; Sala Burgos, Nohemi | Elsevier | 2012The Cueva del Camino site (Pinilla del Valle, Madrid) represents the most complete MIS 5 record from the Iberian Peninsula (away from the Mediterranean margin), including a large accumulation of fossilized remains of small and large vertebrates [...]![]()
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Sirvent, Sofía ; Cantó, Belén ; Cuesta-Herranz, Javier ; Gómez, Francisca ; Canto, Gabriela ; Blanca, Natalia ; Rodríguez, Rosalía ; Villalba, Mayte ; Palomares, Oscar | Elsevier | 2014Background: Kiwifruit is a common cause of IgE-mediated food allergy. Component-resolved diagnosis of kiwifruit allergy suggests that relevant allergenic components are still undiscovered. The presence of allergens in kiwi seeds has not been inv[...]![]()
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We prove uniqueness and the L-1-comparison principle Sor renormalized solutions of the elliptic-parabolic problem associated with the equation b(upsilon)(t) = div a(upsilon, D upsilon) + f.![]()
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We prove uniqueness of the Krushov solution of the equation ?u+div((u))+ au 3 f 0 with homogeneous boundary datum. Is not necessarily continuous![]()
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We consider the 1-d heat equation with a rapidly oscillating periodic, C-2 density in a bounded interval with Dirichlet boundary conditions. We analyze the problem of the null-controllability with a control acting on one of the extremes of the i[...]![]()
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We consider parameterized families of flows in locally compact metrizable spaces and give a characterization of those parameterized families of flows for which uniform persistence continues. On the other hand, we study the generalized Poincare-A[...]![]()
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We prove the uniqueness of the fundamental entropy solutions u(x, y, t) of the equation: (R) u(t) - DELTA(x) u + partial derivative(y) (Absolute value of u q-1 u) = 0, R(n-1) x R x R+ when 1 2 and 1![]()
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We consider a general class of degenerate elliptic-paraboic problems associated with the equation b(v)(t) = div a(v, Dv) + f. Using Kruzhkov's method of doubling variables both in space and time we prove uniqueness and a comparison principle in [...]![]()
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The composition operators on H(2) whose symbols are hyperbolic automorphisms of the unit disk fixing +/-1 comprise a one-parameter group and the analytic Toeplitz operators coming from covering maps of annuli centered at the origin whose radii a[...]