Comment on ``Nontrivial Geometries: Bounds on the Curvature of the Universe''

Details Comment on ``Nontrivial Geometries: Bounds on the Curvature of the Universe'' Comment on ``Nontrivial Geometries: Bounds on the Curvature of the Universe''

2007-05-21

arxiv.org/abs/0705.2992v1

Astropart.Phys.30:216-217,2008

Astronomy and Astrophysics

Astrophysics

4 pages

Scientific paper

10.1016/j.astropartphys.2008.09.

The paper 0705.0332v1 seeks to study the effect of non-trivial spatial curvature in homogeneous and isotropic models. We note that the space considered is not homogeneous, and that the equations of motion used are inconsistent with the metric. Also, we explain why the spatial curvature of homogeneous and isotropic spacetimes always evolves like 1/a^2, contrary to the central assumption of 0705.0332v1.

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