Supernovae Constraints on Cosmological Density Parameter and Cosmic Topology

Details Supernovae Constraints on Cosmological Density Parameter and Cosmic Topology Supernovae Constraints on Cosmological Density Parameter and Cosmic Topology

2007-02-23

arxiv.org/abs/astro-ph/0702642v1

Conf.Proc.C0607233:1819-1823,2008

Astronomy and Astrophysics

Astrophysics

5 pages, 2 figs. To appear in the Proc. of 11th Marcel Grossmann Meeting on General Relativity. Latex2e, World Scientific proc

Scientific paper

We illustrate the constraints that a possible detection of a non-trivial spatial topology may place on the cosmological density parameters by considering the $\Lambda$CDM model Poincar\'e dodecahedal space (PDS) topology as a circles-in-the-sky detectable topology. To this end we reanalyze the type Ia supernovae constraints on the density parameter plane $\Omega_k$--$\Omega_{\Lambda}$ and show that a circles-in-the-sky detectable PDS topology gives rise to important constraints on this parameters plane.

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