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Showing 1 to 3 of 3 for “"CosmoMC"”.
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The Impact of Peculiar Velocities on Supernova Cosmology
… that have large angular separations. Using CosmoMC, the cosmological parameters are estimated, with the Markov-Chain Monte Carlo technique, from the simulated supernova data, firstly using the true cosmological redshifts, and subsequently, using the observed redshifts. We compare the …
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Cosmology with Planck: an all-sky temperature and polarisation analysis
… matrix to explore the parameter space around a CosmoMC simulation, and extract the principal components for different models. I use this to explore a strange oscillation in the power spectrum and conclude that it is a statistical fluke, a conclusion confirmed in a recent data release. I close by …
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Computational Bayesian techniques applied to cosmology
This thesis presents work around 3 themes: dark energy, gravitational waves and Bayesian inference. Both dark energy and gravitational wave physics are not yet well constrained. They present interesting challenges for Bayesian inference, which attempts to quantify our knowledge of the universe …