Browsing by Title Artículos de revistas

Now showing items 6711-6730 of 7550

    • The electromagnetic counterpart of the binary neutron star merger LIGO/Virgo GW170817. II. UV, optical, and ... 
      Cowperthwaite, P. S.; Berger, E.; Villar, V. A.; Medina, G. E.; Muñoz Vidal, Ricardo Rodrigo (IOP Publishing Ltd., 2017)
      We present UV, optical, and near-infrared (NIR) photometry of the first electromagnetic counterpart to a gravitational wave source from Advanced Laser Interferometer Gravitational-wave Observatory (LIGO)/Virgo, the binary ...
    • The Emergence of the Infrared Transient VVV-WIT-06 
      Minniti, D.; Saito, R. K.; Forster, Francisco; Pignata Libralato, Giuliano; Ivanov, V. D.; Lucas, P. W.; Beamin, J. C.; Borissova, J.; Catelan, M.; González, O. A.; Hempel, M.; Hsiao, E. Y.; Kurtev, R.; Majaess, D.; Masetti, N.; Morrell, N. I.; Phillips, M. M.; Pullen, J. B.; Rejkuba, M.; Smith, L.; Surot, F.; Valenti, E.; Zoccali, M. (Institute of Physics, 2017)
      We report the discovery of an enigmatic large-amplitude (DKs > 10.5 mag) transient event in near-IR data obtained by the VISTA Variables in the Via Lactea (VVV) ESO Public Survey. The object (designated VVV-WIT- 06) is ...
    • The entrepreneurial profile after failure 
      Espinoza-Benavides, Jorge; Díaz, David (Emerald Group Publishing Ltd., 2019)
      Purpose: The purpose of this paper is to examine the profile of entrepreneurs who failed in previous businesses, but despite their initial failure, decide to start or maintain another business. Based on the literature, ...
    • The environmental geochemical baseline, background and sources of metal and metalloids present in urban, ... 
      Valdés Durán, Ana Verónica; Aliaga, Guillermo; Deckart, Katja; Karas, Cyrus; Cáceres Lillo, Dante Daniel; Nario Mouat, María Adriana (Springer, 2021)
      The importance of environmental geochemistry baseline in soils of O ' Higgins Region, Chile, since it hosts in its eastern area one of the major Cu-Mo producing mines in the country, is to establish and explain relationships ...
    • The Epistemic Indispensability Argument 
      Soto, Cristian (Springer Netherlands, 2019)
      This article elaborates the epistemic indispensability argument, which fully embraces the epistemic contribution of mathematics to science, but rejects the contention that such a contribution is a reason for granting reality ...
    • The evolution of the cosmic microwave background temperature Measurements of T(CMB) at high redshift from ... 
      Noterdaeme, P.; Petitjean, P.; Srianand, R.; Ledoux, C.; López, S. (EDP SCIENCES S A,, 2011-02)
      A milestone of modern cosmology was the prediction and serendipitous discovery of the cosmic microwave background (CMB), the radiation leftover after decoupling from matter in the early evolutionary stages of the Universe. ...
    • The evolution of the Dominga Fe-Cu deposit (northern Chile): Insights from mineral textures and micro-CT analysis 
      Heuser, Gert; Arancibia, Gloria; Veloso, Eugenio E.; Cembrano, José; Oliveira Cordeiro, Pedro Filipe; Nehler, Mathias; Bracke, Rolf (Elsevier, 2020)
      The Fe-Cu Dominga deposit (2082 Mt at 23% Fe, 0.07% Cu), located in the Coastal Cordillera of northern Chile, is hosted by volcanic rocks of the Punta del Cobre Formation (131.5 +/- 1.5 Ma zircon U-Pb) and into subvolcanic ...
    • The evolution of the Si IV content in the Universe from the epoch of reionization to cosmic noon 
      D'Odorico, V.; Finlator, K.; Cristiani, S.; Cupani, G.; Perrotta, S.; Calura, F.; Centurion, M.; Becker, G.; Berg, T. A. M.; López, S.; Ellison, S.; Pomante, E. (Oxford, 2022)
      We investigate the abundance and distribution of metals in the high-redshift intergalactic medium and circum-galactic medium through the analysis of a sample of almost 600 Si iv absorption lines detected in high and ...
    • The evolution of the star formation rate function and cosmic star formation rate density of galaxies at z ∼ 1–4 
      Katsianis, Antonios; Tescari, E.; Blanc Mendiberri, Guillermo; Sargent, M. (Royal Astronomical Society, 2017)
      We investigate the evolution of the galaxy star formation rate function (SFRF) and cosmic star formation rate density (CSFRD) of z ∼ 1–4 galaxies, using cosmological smoothed particle hydrodynamic (SPH) simulations and ...
    • The evolution of the star formation rate function in the Eagle simulations: a comparison with UV, IR and H ... 
      Katsianis, A.; Blanc Mendiberri, Guillermo; Lagos, C. P.; Tejos, Nicolás; Bower, R. G.; Alavi, A.; González Corvalán, Valentino; Theuns, T.; Schaller, M.; López Morales, Sebastián (Oxford university press, 2017)
      We investigate the evolution of the galaxy star formation rate function (SFRF) and cosmic star formation rate density (CSFRD) of z similar to 0-8 galaxies in the Evolution and Assembly of GaLaxies and their Environments ...
    • The expressive power of graph Neural Networks as a query language 
      Barceló, Pablo; Kostylev, Egor; Monet, Mikael; Pérez Rojas, Jorge; Reutter, Juan L.; Silva, Juan Pablo (Assoc. Computing Machinery, 2020)
      In this paper we survey our recent results characterizing various graph neural network (GNN) architectures in terms of their ability to classify nodes over graphs, for classifiers based on unary logical formulas- or queries. ...
    • The Expressive Power of Graph Neural Networks as a Query Language 
      Barcelo, P; Kostylev, EV; Monet, M; Perez, J; Reutter, JL; Silva, JP (Association for Computing Machinery, 2020)
    • The extended law of star formation: the combined role of gas and stars 
      Dib, Sami; Hony, Sacha; Blanc Mendiberri, Guillermo (Oxford University Pres, 2017)
      We present a model for the origin of the extended law of star formation in which the surface density of star formation (Sigma(SFR)) depends not only on the local surface density of the gas (Sigma(g)) but also on the stellar ...
    • The first andean compressive tectonic phase: sedimentologic and structural analysis of mid-cretaceous ... 
      Boyce Marto, Daniel; Charrier González, Reynaldo; Farías Thiers, Marcelo (AGU, 2020)
      We document the effects of major mid-Cretaceous to Late Cretaceous compression within the volcanic arc of the western Gondwanan margin. The thinned Early Cretaceous Andean margin underwent rapid thickening and shortening-related ...
    • The first childhood health statistics in the Chilean province of Santiago (1860-1929) La primera estadística ... 
      Zúñiga, Pablo Chávez; Lara, José Julián Soto (Editorial Universida de Granada, 2019)
    • The first since 1960: a large event in the Valdivia segment of the Chilean subduction zone, the 2016 M7.6 ... 
      Melgar, Diego; Riquelme, Sebastián; Xu, Xiaohua; Baez, Juan Carlos; Geng, Jianghui; Moreno, Carlos (Elsevier, 2017)
      We present results for joint kinematic inversion of high-rate GPS, strong motion and InSAR data for the 2016 M7.6 Melinka earthquake. We show that the source is a compact 35 s long rupture with 5.0 +/- 0.15 m of peak slip. ...
    • The first twenty years (1994-2014) of ozone soundings from Rapa Nui (27 degrees S, 109 degrees W, 51 m a.s.l.) 
      Gallardo Klenner, Laura; Henríquez, Adolfo; Thompson, Anne M.; Rondanelli Rojas, Roberto; Carrasco, Jorge; Orfanoz Cheuquelaf, Andrea; Velásquez, Patricio (Taylor & Francis, 2016)
      Ozone (O-3) soundings have been performed on Easter Island or Rapa Nui (27 degrees S, 109 degrees W, 51 m a.s.l.) since 1994 as part of the Global Atmospheric Watch Programme of the World Meteorological Organization. In ...
    • The fourteenth data release of the sloan digital sky survey: first spectroscopic data from the extended ... 
      Abolfathi, Bela; Blanc Mendiberri, Guillermo; Muñoz Vidal, Ricardo Rodrigo; Santana Rojas, Felipe Antonio (IOP Publishing Ltd, 2018)
      The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since 2014 July. This paper describes the second data release from this phase, and the 14th from SDSS overall (making this Data Release ...
    • The fractional discrete nonlinear Schrodinger equation 
      Molina, Mario I. (Elsevier, 2020)
      We examine a fractional version of the discrete nonlinear Schrodinger (dnls) equation, where the usual discrete laplacian is replaced by a fractional discrete laplacian. This leads to the replacement of the usual ...
    • The Gaia-ESO survey: dynamics of ionized and neutral gas in the Lagoon nebula (M 8) 
      Damiani, F.; Bonito, R.; Prisinzano, L.; Zwitter, T.; Bayo, A.; Kalari, V.; Jiménez Esteban, F. M.; Costado, M. T.; Jofre, P.; Randich, S.; Flaccomio, E.; Lanzafame, A. C.; Lardo, C.; Morbidelli, L.; Zaggia, S. (EDP Sciences, 2017)
      Aims. We present a spectroscopic study of the dynamics of the ionized and neutral gas throughout the Lagoon nebula (M 8), using VLT-FLAMES data from the Gaia-ESO Survey. The new data permit exploration of the physical ...