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Supernovae Constraints on DGP Model and Cosmic Topology

We study the constraints that the detection of a non-trivial spatial topology may place on the parameters of braneworld models by considering the Dvali-Gabadadze-Porrati (DGP) and the globally homogeneous Poincaré dodecahedral spatial (PDS) topology as a circles-in-the-sky observable topology. To this end we reanalyze the type Ia supernovae constraints on the parameters of the DGP model and show that PDS topology gives rise to strong and complementary constraints on the parameters of the DGP model.

preprint2007arXivOpen access
M. J. Reboucas
astro-phgr-qchep-th
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Open access1 author3 topics
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M. J. Reboucas

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