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The large-scale monopole of the power spectrum in a Euclid-like survey: wide-angle effects, lensing, and the `finger of the observer'
Mohamed Yousry Elkhashab, Cristiano Porciani, Daniele Bertacca
Radial redshift-space distortions due to peculiar velocities and other light-cone effects shape the maps we build of the Universe. We address the open question of their impact onto…
Cosmological parameters from the likelihood analysis of the galaxy power spectrum and bispectrum in real space
Andrea Oddo, Federico Rizzo, Emiliano Sefusatti +2
We present a joint likelihood analysis of the halo power spectrum and bispectrum in real space. We take advantage of a large set of numerical simulations and of an even larger set…
The reach of next-to-leading-order perturbation theory for the matter bispectrum
Davit Alkhanishvili, Cristiano Porciani, Emiliano Sefusatti +4
We provide a comparison between the matter bispectrum derived with different flavours of perturbation theory at next-to-leading order and measurements from an unprecedentedly large…
The HI-halo mass relation at redshift from the Minkowski functionals of 21 cm intensity maps
Benedetta Spina, Cristiano Porciani, Carlo Schimd
The mean and the scatter of the HI content of a dark-matter halo as a function of the halo mass are useful statistics that can be used to test models of structure and galaxy format…