Galaxy Formation Theory
My main research is studying how galaxies formed their stars. Past projects involved reconstructing star formation histories for all observable galaxies as a function of their halo mass and redshift, as well as making empirical connections between galaxies and their host dark matter halos. At present, I am refining these models to better understand the processes that lead to galaxy quenching.
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Supermassive Black Hole Growth Histories
Methodology for reconstructing galaxy growth histories also applies to black holes. Quasar luminosity functions combined with AGN occupation fractions and z=0 black hole mass functions provide constraints not only on black hole accretion histories but also on their typical Eddington ratios and duty cycles as a function of redshift and host galaxy mass.
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