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The perspective of voids on rising cosmology tensions
Sofia Contarini, Alice Pisani, Nico Hamaus +3
We investigate the main tensions within the current standard model of cosmology from the perspective of the main statistics of cosmic voids, using the final BOSS DR12 data set. For…
Cosmological constraints from the BOSS DR12 void size function
Sofia Contarini, Alice Pisani, Nico Hamaus +3
We present the first cosmological constraints derived from the analysis of the void size function. This work relies on the final BOSS DR12 data set, a large spectroscopic galaxy ca…
Euclid preparation. XXVII. Covariance model validation for the 2-point correlation function of galaxy clusters
Euclid Collaboration, A. Fumagalli, A. Saro +191
Aims. We validate a semi-analytical model for the covariance of real-space 2-point correlation function of galaxy clusters. Methods. Using 1000 PINOCCHIO light cones mimicking the…
Euclid: Modelling massive neutrinos in cosmology -- a code comparison
J. Adamek, R. E. Angulo, C. Arnold +133
The measurement of the absolute neutrino mass scale from cosmological large-scale clustering data is one of the key science goals of the Euclid mission. Such a measurement relies o…
New applications of Graph Neural Networks in Cosmology
Farida Farsian, Federico Marulli, Lauro Moscardini +1
Upcoming cosmological surveys will provide unprecedented amount of data, which will require innovative statistical methods to maximize the scientific exploitation. Standard cosmolo…
Exploring the cosmological synergy between galaxy cluster and cosmic void number counts
Davide Pelliciari, Sofia Contarini, Federico Marulli +4
Galaxy clusters and cosmic voids, the most extreme objects of our Universe in terms of mass and size, trace two opposite sides of the large-scale matter density field. By studying…