# Advanced Statistical Methods for Astrophysical Probes of Cosmology [electronic resource] / by Marisa Cristina March.

##### By: March, Marisa Cristina [author.].

##### Contributor(s): SpringerLink (Online service).

Material type: TextSeries: Springer Theses, Recognizing Outstanding Ph.D. Research: Publisher: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 2013Description: XX, 180 p. online resource.Content type: text Media type: computer Carrier type: online resourceISBN: 9783642350603.Subject(s): Physics | Observations, Astronomical | Astronomy -- Observations | Cosmology | Statistical physics | Dynamical systems | Statistics | Physics | Cosmology | Astronomy, Observations and Techniques | Statistics for Engineering, Physics, Computer Science, Chemistry and Earth Sciences | Statistical Physics, Dynamical Systems and Complexity | Física y Astronomía | Física y AstronomíaAdditional physical formats: Printed edition:: No titleDDC classification: 523.1 Online resources: Texto completoItem type | Current location | Shelving location | Call number | Status | Date due | Barcode | Item holds |
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Springer (Colección 2013) | BIBLIOTECA GENERAL | Física y Astronomía | Física y Astronomía (Browse shelf) | Available |

Introduction -- Cosmology background -- Dark energy and apparent late time acceleration -- Supernovae Ia -- Statistical techniques -- Bayesian Doubt: Should we doubt the Cosmological Constant? -- Bayesian parameter inference for SNeIa data -- Robustness to Systematic Error for Future Dark Energy Probes -- Summary and Conclusions -- Index.

This thesis explores advanced Bayesian statistical methods for extracting key information for cosmological model selection, parameter inference and forecasting from astrophysical observations. Bayesian model selection provides a measure of how good models in a set are relative to each other - but what if the best model is missing and not included in the set? Bayesian Doubt is an approach which addresses this problem and seeks to deliver an absolute rather than a relative measure of how good a model is. Supernovae type Ia were the first astrophysical observations to indicate the late time acceleration of the Universe - this work presents a detailed Bayesian Hierarchical Model to infer the cosmological parameters (in particular dark energy) from observations of these supernovae type Ia.

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