Browsing by Title
Now showing items 91325-91344 of 91813
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(Georg Thieme Verlag KG, Germany, 2021)
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(Sage Pubications INC, 2018)
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(Heldermann Verlag, 2019)© 2019 Heldermann Verlag. All rights reserved.In this work we prove that if X is a complete locally convex space and {equation presented} is a function such that f -x∗attains its minimum for every x∗∈ U, where U is an open ...
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(Wiley, 2020)Population connectivity has a fundamental role in metapopulation dynamics, with important implications in conservation. Easter Island (EI) and Salas y Gomez Island (SG) in the Pacific Ocean are ideal for the study of ...
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(American Geophysical Union, 2015)In the dawn sector, L approximate to 5.5 and MLT approximate to 4-7, from 01:30 to 06:00UT during the 14 November 2012 geomagnetic storm, both Van Allen Probes observed an alternating sequence of locally quiet and disturbed ...
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(Blackwell Publishing Ltd, 2015)© 2015. American Geophysical Union. All Rights Reserved.In the dawn sector, L ∼ 5.5 and MLT ∼ 4-7, from 01:30 to 06:00 UT during the 14 November 2012 geomagnetic storm, both Van Allen Probes observed an alternating sequence ...
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(The American Astronomical Society, 2010-09-28)We present Gemini-North K-band spectra of two representative members of the class of high-redshift quasars with exceptionally weak rest-frame ultraviolet emission lines (WLQs), SDSS J114153.34+021924.3 at z = 3.55 and SDSS ...
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Weak signal enhancement by nonlinear resonance control in a forced nano-electromechanical resonator (Nature, 2020)Driven non-linear resonators can display sharp resonances or even multistable behaviours amenable to induce strong enhancements of weak signals. Such enhancements can make use of the phenomenon of vibrational resonance, ...
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(Elsevier, 2018)In this paper, we study the elliptic problem with Dirac mass { -Delta u = Vu(p) + k delta(0) in R-N, (1) lim(vertical bar x vertical bar ->+infinity) u(x) = 0, where N > 2, p > 0, k > 0, delta(0) is the Dirac ...
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(Wiley-V C H Verlag GMBH, 2016)In this paper we prove the existence of weak solutions for the inclusion problem in anti-plane Cosserat elasticity in Sobolev space setting, and for the corresponding systems of boundary integral equations.
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(2014-02-01)We study the wave¨Cparticle interaction and the evolution of electromagnetic waves propagating through a solarwind- like plasma composed of cold electrons, isotropic protons, and a small portion of drifting anisotropic ...
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(AMERICAN PHYSICAL SOC, 2006-07-14)We study the long-time evolution of waves of a thin elastic plate in the limit of small deformation so that modes of oscillations interact weakly. According to the theory of weak turbulence (successfully applied in the ...
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(UNIV CHICAGO PRESS, 2004-09-20)We use the weak gravitational lensing effect to study the mass distribution and dynamical state of a sample of 24 X-ray-luminous clusters of galaxies (0.05 < z < 0.31) observed with the FORS1 instrument mounted on the ...
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(Wiley, 2018-06)This paper presents an approach to generalize the concept of isogeometric analysis by allowing different spaces for the parameterization of the computational domain and for the approximation of the solution field. The ...
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(Elsevier, 2016)In this paper we establish new rules for the calculus of the subdifferential mapping of the sum of two convex functions. Our results are established under conditions which are at an intermediate level of generality among ...
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(Association for Computing Machinery, 2018)This article presents a wp–style calculus for obtaining bounds on the expected runtime of randomized algorithms. Its application includes determining the (possibly infinite) expected termination time of a randomized algorithm ...
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(Universidad de Chile, Facultad de Economía y Negocios, 2017-09)We study wealth disparities in the formation of anthropometrics, cognitive skills and socio-emotional skills. We use a sample of preschool and early school children in Chile. We extend the previous literature by using ...
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(Springer, 2008)We develop a general equilibrium model of wealth transfers in the presence of uncertain lifetimes and default. Without introducing exogenous debt constraints, agents are allowed to make collateral-backed promises at any ...
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(BMJ, 2021)Objective This systematic review aimed in assessing the effects of different weaning protocols in people with neuromuscular disease (NMD) receiving invasive mechanical ventilation, identifying which protocol is the best ...
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(Elsevier, 2020)Northern Chile is one of the most arid regions in the world, with precipitation mainly occurring during austral summer, between December and April. The aim of this study is to classify the main weather regimes derived from ...
