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astro-ph.CO2010
An analytical approximation of the growth function in Friedmann-Lemaître universes
Masumi Kasai
We present an analytical approximation formula for the growth function in a spatially flat cosmology with dust and a cosmological constant. Our approximate formula is written simpl…
astro-ph.CO2010
An analytical approximation of the luminosity distance in flat cosmologies with dark energy
Masaru Adachi, Masumi Kasai
We present an analytical approximation formula for the luminosity distance in spatially flat cosmologies with dust and a cosmological constant. We also show the approximate formula…