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astro-ph2008★ 35 cited
A new standard model of the universe
Oyvind Gron
Analytical properties of a flat universe with cold matter and vacuum energy is presented.
astro-ph2006★ 35 cited
Is space expanding in the Friedmann universe models?
Oyvind Gron, Oystein Elgaroy
The interpretation of the expanding universe as an expansion of space has recently been challenged. From the geodesic equation in Friedmann universe models and the empty Milne mode…
astro-ph2004★ 28 cited
Geometrical Constraints on Dark Energy
A. K. D. Evans, I. K. Wehus, O. Gron +1
We explore the recently introduced statefinder parameters. After reviewing their basic properties, we calculate the statefinder parameters for a variety of cosmological models, and…