The Hubble constant ($ H_0 $) tension is one of the major open problems in modern
cosmology. This tension is the discrepancy, ranging from 4 to 6$\sigma $, between the …

The cosmological principle (CP)—the notion that the Universe is spatially isotropic and
homogeneous on large scales—underlies a century of progress in cosmology. It is …

The Hubble tension has now grown to a level of significance which can no longer be
ignored and calls for a solution which, despite a huge number of attempts, has so far eluded …

We propose an effective model to describe the bias induced on cosmological observables
by Laniakea, the gravitational supercluster hosting the Milky Way, which was defined using …

We decompose Pantheon+ Type Ia supernovae (SN) in hemispheres on the sky finding
angular variations up to 4 km/s/Mpc, corresponding to a statistical significance up to 1.9 σ, in …

We propose a model of the Universe (dubbed ηCDM) featuring a controlled stochastic
evolution of the cosmological quantities that is meant to render the effects of small deviations …

We use the hemisphere comparison method to test the isotropy of the SnIa absolute
magnitudes of the Pantheon+ and SH0ES samples in various redshift/distance bins. We …

$\Lambda $ CDM tensions are by definition model dependent; one sees anomalies through
the prism of $\Lambda $ CDM. Thus, progress towards tension resolution necessitates …

Dipole cosmology is the maximally Copernican generalization of the FLRW paradigm that
can incorporate bulk flows in the cosmic fluid. In this paper, we first discuss how multiple …

The position of the peak of the matter power spectrum, the so-called turnover scale, is set by
the horizon size at the epoch of matter-radiation equality. It can easily be predicted in terms …