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Classificar por: Ordenar: Resultados:

  • Fernanda Araujo de Oliveira, Fernanda Araujo de Oliveira (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2026-08-21)
    In this study, we perform tests aiming to investigate the viability of alternative theories to the Standard Cosmological Model by using two important tools: Gaussian Processes and Markov Chain Monte Carlo. Using data ...
  • Manoel Vicente de Souza Filho, Manoel Vicente de Souza Filho (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2026-01-29)
    The growth of cosmic structures is investigated through the analyses of f(z) and σ8(z) cosmic observables data, using non-parametric Gaussian Process reconstructions combined with MCMC statistical analyses. The standard ...
  • Maria Vitoria Lazarin, Maria Vitoria Lazarin (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2026-07-24)
    Baryon Acoustic Oscillations (BAO), a preferred scale of approximately 150 Mpc im- printed on the large-scale matter distribution by acoustic waves in the primordial plasma, constitute one of the most robust standard ...