Extended gravity cosmography
S Capozziello, R D'Agostino… - International Journal of …, 2019 - World Scientific
Cosmography can be considered as a sort of a model-independent approach to tackle the
dark energy/modified gravity problem. In this review, the success and the shortcomings of …
dark energy/modified gravity problem. In this review, the success and the shortcomings of …
[HTML][HTML] Testing general relativity in cosmology
M Ishak - Living Reviews in Relativity, 2019 - Springer
We review recent developments and results in testing general relativity (GR) at cosmological
scales. The subject has witnessed rapid growth during the last two decades with the aim of …
scales. The subject has witnessed rapid growth during the last two decades with the aim of …
Eppur è piatto? The cosmic chronometers take on spatial curvature and cosmic concordance
The question of whether cosmic microwave background (CMB) temperature and polarization
data from Planck favor a spatially closed universe with curvature parameter Ω K< 0 has been …
data from Planck favor a spatially closed universe with curvature parameter Ω K< 0 has been …
A 6% measurement of the Hubble parameter at z∼ 0.45: direct evidence of the epoch of cosmic re-acceleration
Deriving the expansion history of the Universe is a major goal of modern cosmology. To
date, the most accurate measurements have been obtained with Type Ia Supernovae (SNe) …
date, the most accurate measurements have been obtained with Type Ia Supernovae (SNe) …
Hubble parameter and Baryon Acoustic Oscillation measurement constraints on the Hubble constant, the deviation from the spatially flat ΛCDM model, the …
We compile a complete collection of reliable Hubble parameter H (z) data to redshift z≤
2.36 and use them with the Gaussian Process method to determine continuous H (z) …
2.36 and use them with the Gaussian Process method to determine continuous H (z) …
Hubble parameter measurement constraints on the redshift of the deceleration–acceleration transition, dynamical dark energy, and space curvature
O Farooq, FR Madiyar, S Crandall… - The Astrophysical …, 2017 - iopscience.iop.org
We compile an updated list of 38 measurements of the Hubble parameter H (z) between
redshifts 0.07≤ z≤ 2.36 and use them to place constraints on model parameters of constant …
redshifts 0.07≤ z≤ 2.36 and use them to place constraints on model parameters of constant …
[HTML][HTML] The simplest non-minimal matter–geometry coupling in the f(R, T) cosmology
Abstract f (R, T) gravity is an extended theory of gravity in which the gravitational action
contains general terms of both the Ricci scalar R and the trace of the energy-momentum …
contains general terms of both the Ricci scalar R and the trace of the energy-momentum …
Setting the stage for cosmic chronometers. II. Impact of stellar population synthesis models systematics and full covariance matrix
The evolution of differential ages of passive galaxies at different redshifts (cosmic
chronometers) has been proved to be a method potentially able to constrain the Hubble …
chronometers) has been proved to be a method potentially able to constrain the Hubble …
Dark matter spike around Bumblebee black holes
The effects of dark matter spike in the vicinity of the supermassive black hole, located at the
center of M87 (the Virgo A galaxy), are investigated within the framework of the so-called …
center of M87 (the Virgo A galaxy), are investigated within the framework of the so-called …
Cosmographic analysis with Chebyshev polynomials
S Capozziello, R D'Agostino… - Monthly Notices of the …, 2018 - academic.oup.com
The limits of standard cosmography are here revised addressing the problem of error
propagation during statistical analyses. To do so, we propose the use of Chebyshev …
propagation during statistical analyses. To do so, we propose the use of Chebyshev …