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 …

We review recent progress in the construction of modified gravity models as alternatives to
dark energy as well as the development of cosmological tests of gravity. Einstein's theory of …

Testing modified gravity at cosmological distances with LISA standard sirens - IOPscience This
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Abstract Euclid is a European Space Agency medium-class mission selected for launch in
2020 within the cosmic vision 2015–2025 program. The main goal of Euclid is to understand …

We identify a scalar-tensor model embedded in the Horndeski action whose cosmological
background and linear scalar fluctuations are degenerate with the concordance cosmology …

We present an optimized variant of the halo model, designed to produce accurate matter
power spectra well into the non-linear regime for a wide range of cosmological models. To …

We present an accurate non-linear matter power spectrum prediction scheme for a variety of
extensions to the standard cosmological paradigm, which uses the tuned halo model …

The Novel Probes Project, an initiative to advance the field of astrophysical tests of the dark
sector by creating a forum that connects observers and theorists, is introduced. This review …

The abundance of massive galaxy clusters is a powerful probe of departures from general
relativity (GR) on cosmic scales. Despite current stringent constraints placed by stellar and …

Self-consistent N-body simulations of modified gravity models are a key ingredient to obtain
rigorous constraints on deviations from general relativity using large-scale structure …