#  Documents 

 



[Research](/book/research "Research")

I work on a wide variety of topics in cosmology and extragalactic astronomy. Much of my work concerns [*precision cosmological constraints*](/book/cosmology-research "Cosmology Research") from the measurement of the large-scale structure of the Universe. Another major theme is the [*evolution of galaxies*](/book/galaxy-evolution-research "Galaxy Evolution Research") and their relation to their environment. My work spans observations, theoretical astrophysics, and numerical simulations.

Please see my bio for recent focus areas. Key collaborations presently include the Dark Energy...  
[*Read more*](/book/research "Research")