Towards Reconstructing Gravity from the Universe Large Scales Evolution

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• Alessandra Silvestri (Leiden University)
• Monday 11 November 2024, 13:00-14:00
• CMS, Pav. B, CTC Common Room (B1.19) [Potter Room].

If you have a question about this talk, please contact Thomas Colas.

The era of precision Cosmology is here and it promises to shed light on some of the long-standing questions such as the nature of gravity on the large cosmological scales. In this talk I will discuss what we can learn about gravity from Large Scale Structure and Cosmic Microwave Background data. I will provide an overview of the exciting observational prospects that are just around the corner, with focus on the Euclid mission. I will then review approaches to cosmological tests of gravity and discuss theoretical issues involved in finding the optimal theoretical framework. I will touch upon synergy with gravitational waves surveys. I will also show the outcome of a non-parametric reconstruction of gravity from currently available cosmological data sets, discussing the imprints of cosmological tensions in the reconstructed theory.

This talk is part of the Cosmology Lunch series.

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