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Listar Colecciones Institucionales por título

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  • del Campo S.; Herrera R. (2014-04-04)
    Warm inflationary universe models in the context of a Chaplygin gas equation are studied. General conditions required for these models to be realizable are derived and discussed. By using a chaotic potential we develop ...
  • Campo S.D.; Herrera R. (2014-04-04)
    Warm inflationary universe models in the context of intermediate expansion, between power law and exponential, are studied. General conditions required for these models to be realizable are derived and discussed. This study ...
  • Herrera R.; Martin E.S. (2014-04-04)
    Warm-intermediate inflationary universe models in the context of braneworld cosmologies are studied. This study is done in the weak and strong dissipative regimes.We find that the scalar potentials and dissipation coefficients ...
  • Herrera R.; Martin E.S. (2014-04-04)
    In this paper, we study warm-intermediate inflationary models in the context of the brane world models. We describe in great details the characteristics of these models in the high-energy limit. General conditions in the ...
  • Herrera R.; Olivares M. (2014-04-04)
    Warm inflationary universe models in the context of logamediate expansion are studied. General conditions required for these models to be realizable and discussed. This study is done in the weak and strong dissipative ...
  • del Campo S.; Herrera R. (2014-04-04)
    Warm inflationary universe models on a warped Dvali-Gabadadze-Porrati brane are studied. General conditions required for these models to be realizable are derived and discussed. By using an effective exponential potential ...
  • Cid M.A.; Del Campo S.; Herrera R. (2014-04-04)
    In this paper, warm inflationary models on a brane scenario are studied. Here we consider slow-roll inflation and a high-dissipation regime in a high-energy scenario. General conditions required for these models to be ...
  • Herrera R. (2014-04-04)
    A warm inflationary universe model in loop quantum cosmology is studied. In general we discuss the condition of inflation in this framework. By using a chaotic potential, V(φ) φ 2, we develop a model where the dissipation ...
  • Chamy R.; Reyes P.; Vivanco E. (2014-04-04)
    Anaerobic digestion development has been marked by a constant evolution. Initially it was born as an efficient way to solve environmental problems, but later, a more comprehensive vision was adopted with the inclusion of ...
  • Silva N.; Rojas N.; Fedele A. (2014-04-04)
    Three sections are used to analyze the physical and chemical characteristics of the water masses in the eastern South Pacific and their distributions. Oceanographic data were taken from the SCORPIO (May-June 1967), PIQUERO ...
  • Rodriguez N.; Palma W.; Yanez E.; Rubio J.-M. (2014-04-04)
    We present a forecasting strategy based on stationary wavelet decomposition combined with linear regression to improve the accuracy of one-month-ahead pelagic fish catches forecasting of the fisheries industry in southern ...
  • Rodriguez N.; Palma W.; Yanez E.; Rubio J.-M. (2014-04-04)
    We present a forecasting strategy based on stationary wavelet decomposition combined with linear regression to improve the accuracy of one-month-ahead pelagic fish catches forecasting of the fisheries industry in southern ...
  • Rodriguez N.; Rubio J.; Yanez E. (2014-04-04)
    In this paper, we use multi-scale stationary wavelet decomposition technique combined with a linear autoregressive model for one-month-ahead monthly sardine catches forecasting off central southern Chile.The monthly sardine ...
  • Rodriguez N.; Yanez E.; Crawford B. (2014-04-04)
    This paper deals with forecasting of monthly sardines catches in north area of Chile. The forecasting model is based on un-decimated stationary wavelet transform (SWT) combined with radial basis function (RBF) neural network ...
  • Perez D.G.; Zunino L.; Garavaglia M.; Rosso O.A. (2014-04-04)
    We study the functional link between the Hurst parameter and the normalized total wavelet entropy when analyzing fractional Brownian motion (fBm) time series-these series are synthetically generated. Both quantifiers are ...
  • Zunino L.; Perez D.G.; Garavaglia M.; Rosso O.A. (2014-04-04)
    We compare two different definitions for the wavelet entropy associated to stochastic processes. The first one, the normalized total wavelet entropy (NTWS) family [S. Blanco, A. Figliola, R.Q. Quiroga, O.A. Rosso, E. ...
  • Rodriguez N. (2014-04-04)
    In this paper, multiscale wavelet analysis combined with a multivariate polynomial is presented to improve the accuracy and parsimony of 1-month ahead forecasting of monthly bigeye tuna catches in equatorial Indian Ocean. ...
  • Rodriguez N.; Duran O. (2014-04-04)
    In this paper, the aim is to apply a functional autoregressive (FAR) model combined with wavelet smoothing analysis for monthly bigeye tuna catches forecasting in the equatorial Indian ocean. The raw monthly tuna catches ...
  • Rodriguez N.; Yanez E. (2014-04-04)
    In this paprer, a multivariate polynomial (MP) combined with smoothing techniques is proposed to forecast 1-month ahead monthly anchovy catches in the north area of Chile. The anchovy catches data is smoothed by using ...
  • Demkowicz L.; Gopalakrishnan J.; Muga I.; Zitelli J. (2014-04-04)
    We study the properties of a novel discontinuous Petrov Galerkin (DPG) method for acoustic wave propagation. The method yields Hermitian positive definite matrices and has good pre-asymptotic stability properties. Numerically, ...