Toward a solution of the coincidence problem
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The coincidence problem of late cosmic acceleration constitutes a serious riddle with regard to our understanding of the evolution of the Universe. Here we argue that this problem may someday be solved -or better understood- by expressing the Hubble expansion rate as a function of the ratio of densities (dark matter/dark energy) and observationally determining the said rate in terms of the redshift.
14 pages, 5 figures. Key words: Cosmology, dark energy, coincidence problem. Slightly extended version of the paper published in Phys. Rev. D as rapid communication
14 pages, 5 figures. Key words: Cosmology, dark energy, coincidence problem. Slightly extended version of the paper published in Phys. Rev. D as rapid communication