Mostrando ítems 1-3 de 3
Gontcho, Satya Gontcho A (Fecha de defensa: 2017-09-22)
The work we present in this manuscript revolves around the use of quasar spectra to probe the Universe. Absorption features in the electromagnetic spectrum of bright distant quasars by ionized hydrogen ...
Oncins Fernández, Marc (Fecha de defensa: 2022-06-03)
The existence of black holes that go beyond the mass given by their stellar origin has been known for some time. On the lower end, a subset of primordial black holes (PBHs) could form all of the dark ...
Pérez Ràfols, Ignasi (Fecha de defensa: 2016-10-03)
The work presented in this Ph.D. thesis is mostly related to the measurement and interpretation of the cross-correlation of different species. This is achieved using spectroscopic data from the BOSS ...