Valcin, David (Date of defense: 2021-09-28)
CONTEXT: The current ΛCDM cosmological paradigm has seen remarkable success in recent decades (whether it is the discovery of the CMB, the formation of large-scale structures, the expansion of the ...
Khalife, Ali Rida (Date of defense: 2022-04-08)
Our understanding of the Universe has advanced tremendously in the past few decades, with General Relativity(GR) laying the ground for a successful model for the Universe, ΛCDM. However, there ...
Garcia Garcia, Carlos (Date of defense: 2020-11-10)
This thesis studies Dark Energy, a central topic of Modern Cosmology, from different points of view. It covers from models and parametrizations to likelihood approximations for the observations of the ...
Sanglás Martín, Albert (Date of defense: 2023-10-10)
[eng] This thesis investigates primordial black holes and their observational consequences. In the first part, we examine the behavior of domain walls produced during inflation, and their subsequent ...