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My general fields of research are cosmology and gravitation, within which the dark energy, backreaction, and fitting problems mostly draw my attention. My expertise covers general relativity, gravitational lensing, and the statistical theory of random processes.
My research interest is in the area of theoretical cosmology but gradually moving towards observational cosmology. At the moment I am looking at how to effectively quantify non-linear corrections on all cosmological observables.
I work at the interface between theory and modelling in cosmology. My interests include the application of probabilistic data analysis techniques on large datasets to understand dark energy, cosmological forecasting, Growing interest in dark matter investigations and citizen science.
Dr Mattia Vaccari works on the development and science exploitation of ESA/NASA infrared space missions such as ISO, Spitzer and Herschel, and in particular on wide-area extragalactic survey projects such as ELAIS, SWIRE, SERVS, HerMES and H-ATLAS by means of multi-wavelength galaxy formation and evolution statistical studies (Number Counts, Luminosity Functions, etc).
Using current and future radio continuum surveys to probe the star formation and accretion histories of the universe. The link between AGN activity and star-formation activity. Multi-wavelength cross-matching techniques.
I work with large spectroscopic quasar surveys. One of my key interests is in determining the mass of the black holes that power quasars and how these black holes grow and form the population we see at the centres of massive galaxies in the local Universe.
I also work with radio continuum survey data. My interest being the link between high-redshift radio galaxies and optical quasar activity.
cosmology – galaxy evolution – completeness statistics – luminosity functions – peculiar velocity field reconstruction – clustering statistics