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 …

If all or a fraction of the dark matter (DM) were coupled to a bath of dark radiation (DR) in the
early Universe, we expect the combined DM-DR system to give rise to acoustic oscillations …

We present accurate and efficient computations of large scale structure observables,
obtained with a modified version of the CLASS code which is made publicly available. This …

Future surveys of large-scale structure will be able to measure perturbations on the scale of
the cosmological horizon, and so could potentially probe a number of novel relativistic …

Are the stellar-mass merging binary black holes, recently detected by their gravitational
wave signal, of stellar or primordial origin? Answering this question will have profound …

Abstract The Square Kilometre Array (SKA) will produce spectroscopic surveys of tens to
hundreds of millions of neutral hydrogen (H i) galaxies, eventually covering 30 000 deg2 …

Multiple tracers of the cosmic density field, with different bias, number and luminosity
evolution, can be used to measure the large-scale properties of the Universe. We show how …

We investigate a possible method for determining the progenitors of black-hole (BH)
mergers observed via their gravitational wave (GW) signal. We argue that measurements of …

Two of the most rapidly growing observables in cosmology and astrophysics are
gravitational waves (GW) and the neutral hydrogen (HI) distribution. In this work, we …

The most commonly used estimators of the anisotropic galaxy power spectrum employ Fast
Fourier transforms, and rely on a specific choice of the line-of-sight that breaks the symmetry …