Browsing by Title Facultad de Ciencias Físicas y Matemáticas
Now showing items 19666-19685 of 20437
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(EDP Sciences, 2010-11)Aims. We study the 12C/13C isotopic ratio in the disk of the central molecular zone and in the halo to trace gas accretion toward the Galactic center region in the Milky Way. Methods. Using the IRAM30m telescope, we ...
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(2014-12-20)We present the first results of neutral carbon ([Ci] 3P1–3P0 at 492 GHz) and carbon monoxide (13CO, J = 1–0) mapping in the Vela Molecular Ridge cloud C (VMR-C) and the G333 giant molecular cloud complexes with the NANTEN2 ...
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(Universidad de Chile, 2022)
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(IOP PUBLISHING LTD, 2012-03-20)We present a Chandra, Suzaku and Rosat study of the hot Intra Group Medium (IGrM) of the relaxed fossil group/ poor cluster RXJ 1159+5531. This group exhibits an advantageous combination of flat surface brightness profile, ...
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(MDPI, 2020)High-resolution mineral characterization performed on mine material from a giant porphyry copper deposit shows that critical and precious metals, such as cobalt, lanthanum, gold, silver, and tellurium, are concentrated in ...
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(I S A-THE INSTRUMENTATION SYSTEMS AUTOMATION SOC, 2006-07)A new cascade passivity-based control scheme for tracking purposes is proposed in this paper. The proposed scheme is valid for a certain class of nonlinear systems even with unstable zero dynamic, and it is also useful for ...
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(ACM, 2016)Little is known about how software performance evolves across software revisions. The severity of this situation is high since (i) most performance variations seem to happen accidentally and (ii) addressing a performance ...
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(Universidad de Chile, 2018)Esta tesis se enfoca en resolver el problema del multi-target tracking en ambientes altamente dinámicos, y utilizando robots que poseen baja capacidad de procesamiento y sensores limi- tados. Para esto se utiliza un nuevo ...
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(JOHN WILEY, 2006-02)The well-known "ant" defined by C Langton on a grid with black and white squares is forced by periodical binary sequences {r(m)}, as follows: i) The ant turns 90 degrees to the left (right) if it enters a white (black) ...
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(Universidad de Chile, 2018)En Chile la coordinación hidrotérmica interfiere con el uso de agua para riego porque se tiene un desfase en las demandas, por lo que se genera un conflicto entre los usos. La operación óptima de embalses que son utilizados ...
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(JOHN WILEY & SONS, 2008-11)This article applies two novel techniques to forecast the value of US manufacturing, shipments over the period 1956-2000: wavelets and support vector machines (SVM). Wavelets have become increasingly popular ill the fields ...
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(Universidad de Chile, 2020)Manga es el término japonés para referirse a las historietas creadas en Japón, las cuales están dibujadas en blanco y negro y se leen de derecha a izquierda. Esta forma de narrativa gráfica posee una amplia gama de ...
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(Wiley-Blackwell, 2015)A nascent ridesharing industry is being enabled by new communication technologies and motivated by the many possible benefits, such as reduction in travel cost, pollution, and congestion. Understanding the complex relations ...
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(Wiley-Blackwell, 2015)A nascent ridesharing industry is being enabled by new communication technologies and motivated by the many possible benefits, such as reduction in travel cost, pollution, and congestion. Understanding the complex relations ...
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(Universidad de Chile, 2022)En tareas de Visión por Computadora, las Redes Neuronales Profundas pueden superar a los clasificadores humanos en la tarea de Clasificación de Imágenes. Por lo general, se entrenan los clasificadores con imágenes de ...
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(Universidad de Chile, 2013)La correcta caracterización de propiedades geológicas es esencial para la industria minera debido a su influencia en distintos procesos, especialmente en la estimación de recursos. Una característica positiva del variograma ...
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(Amer Meteorological, 2020)
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(Institute of Mathematical Statidtics, 2016)The dissipation of general convex entropies for continuous time Markov processes can be described in terms of backward martingales with respect to the tail filtration. The relative entropy is the expected value of a ...
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(Oxford University Press, 2020)In the context of the Transit Monitoring in the South project, we present nine new transit observations of the exoplanet OGLE-TR-113b observed with the Gemini South, Magellan Baade, Danish-1.54 m and Southern Astrophysical ...
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(Oxford University Press on behalf of the Royal Astronomical Society, 2013)We report 12 new transit observations of the exoplanetWASP-4b from the Transit Monitoring in the South (TraMoS) project. These transits are combined with all previously published transit data for this planet to provide ...
