Bayesian analysis of Friedmannless cosmologies

Details Bayesian analysis of Friedmannless cosmologies Bayesian analysis of Friedmannless cosmologies

2006-03-02

arxiv.org/abs/astro-ph/0603053v1

JCAP 0609:002,2006

Astronomy and Astrophysics

Astrophysics

7 pages, 3 figures

Scientific paper

10.1088/1475-7516/2006/09/002

Assuming only a homogeneous and isotropic universe and using both the 'Gold' Supernova Type Ia sample of Riess et al. and the results from the Supernova Legacy Survey, we calculate the Bayesian evidence of a range of different parameterizations of the deceleration parameter. We consider both spatially flat and curved models. Our results show that although there is strong evidence in the data for an accelerating universe, there is little evidence that the deceleration parameter varies with redshift.

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