range of accretion rates due to the shape of the galaxy stellar mass function rather than a preference for AGN activity at a particular stellar mass. Luminous AGNs may be a severely skewed population with elevated black hole masses relative to their host galaxies and in rare phases of rapid accretion.'
author:
- 'James Aird, Alison L. Coil, John Moustakas, Aleksandar M. Diamond-Stanic, Michael R. Blanton, Richard J. Cool, Daniel J. Eisenstein, Kenneth C. Wong, Guangtun Zhu'
title: 'PRIMUS: An observationally motivated model to connect the evolution of the AGN and galaxy populations out to $z\sim1$'
---

Introduction
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The universe has evolved rapidly over the last $\sim 8$ billion years, since a redshift $z\sim1$. The total star formation rate density, the rate at which new stars are being formed, has dropped by a factor $\gtrsim10$ [e.g. @Wilkins08; @Zhu09; @Rujopakarn10]. A similar decline is seen in the total rate of accretion onto supermassive black holes (SMBHs), which is tracked by the luminosity density of Active Galactic Nuclei (AGNs) [e.g. @Barger05; @Silverman08; @Aird10]. This correlation suggests that the processes regulating the formation of stars throughout galaxies are somehow related to the processes that drive gas into their very central regions, feeding 