Browsing by Author "Bengaly, Carlos A. P."
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Item Evidence for cosmic acceleration with next-generation surveys: A model-independent approach(Oxford University Press, 2020) Bengaly, Carlos A. P.We quantify the evidence for cosmic acceleration using simulations of H(z) measurements from SKA- and Euclid-like surveys. We perform a non-parametric reconstruction of the Hubble parameters and its derivative to obtain the deceleration parameter q(z) using the Gaussian Processes method. This is a completely model-independent approach, so we can determine whether the Universe is undergoing accelerated expansion regardless of any assumption of a dark energy model.