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Cosmological tensions in the era of precision cosmology: Insights from Tensions in Cosmology 2025
Eleonora Di Valentino, Jackson Levi Said, Emmanuel N. Saridakis
The ``Tensions in Cosmology'' series of conferences has been established as one of the main venues where the cosmological community collectively assesses the cracks in the concorda…
Slow-rolling down the curvature: a reassessment of the Planck constraints on inflation in a closed universe
Enrico Specogna, Tatevik Vardanyan, William Giarè +1
We revisit the Cosmic Microwave Background (CMB) constraints on the spatial curvature of the Universe, assessing how they change when the curvature parameter and the primordial inf…
Constraining the axiverse with reionization
Ziwen Yin, Hanyu Cheng, Eleonora Di Valentino +3
Axions that couple to electromagnetism are produced in the early Universe by, among other channels, freeze-in via the Primakoff process. For sufficiently large axion masses, the sa…
Updated Constraints on Omnipotent Dark Energy: A Comprehensive Analysis with CMB and BAO Data
Enrico Specogna, Shahnawaz A. Adil, Emre Ozulker +4
In this work, we present updated observational constraints on the parameter space of the DMS20 dark energy model, a member of the omnipotent dark energy (ODE) class. Our analysis c…
False Discovery Controlled Regions for Excursion Sets
Howon Ryu, Thomas Maullin-Sapey, Armin Schwartzman +1
Identifying areas where the signal is prominent is an important task in image analysis, with particular applications in brain mapping. In this work, we develop False Discovery Cont…
A New Window on Dynamical Dark Energy: Combining DESI-DR2 BAO with future Gravitational Wave Observations
Felipe Bruno Medeiros dos Santos, Jonathan Morais, Supriya Pan +2
Baryon acoustic oscillation (BAO) data from the Dark Energy Spectroscopic Instrument (DESI) appear to indicate the first evidence for dynamical dark energy (DDE), with a present-da…