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gr-qc2003★ 10 cited
Essential Constants for Spatially Homogeneous Ricci-flat manifolds of dimension 4+1
T. Christodoulakis, S. Hervik, G. O. Papadopoulos
The present work considers (4+1)-dimensional spatially homogeneous vacuum cosmological models. Exact solutions -- some already existing in the literature, and others believed to be…
gr-qc2003
On 3+1 Dimensional Friedman-Robertson-Walker Universes with Matter
T. Christodoulakis, C. Helias, P. G. Kevrekidis +2
We examine the dynamical behavior of matter coupled to gravity in the context of a linear Klein-Gordon equation coupled to a Friedman-Robertson-Walker metric. The resulting ordinar…