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Fig. 1
Total EoS parameter, wtot, as a function of the cosmological redshift, z, in the context of the ΛCDM-like (i.e., Γ = 0) limit of the polytropic DM model. We note that today, wtot ≈ − 0.7, while for z ≥ 3, it remains very close to zero, as suggested by ΛCDM cosmology.
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