deletions | additions       diff --git a/abstract.tex b/abstract.tex  index ea983c2..14e1e77 100644  --- a/abstract.tex  +++ b/abstract.tex 
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In the Local Group, nearly all of the dwarf galaxies ($\mstar < 10 ^ 9 \msun$) that are satellites within $300 \kpc$ (approximately the (the  virial radius) of the Milky Way (MW) and Andromeda (M31) have quiescent star formation and little-to-no cold gas. This contrasts strongly with the more isolated dwarf galaxies at larger distances, which are almost all actively star-forming and gas-rich.  This near dichotomy implies that environmental processes within the halos of the MW and M31 \emph{rapidly} remove gas and quench star formation in their satellites after infall.  We combine the observed quiescent fractions of satellites of the MW/M31 with the virial-infall times of satellites in the ELVIS suite of cosmological simulations of MW/M31-like halos to infer statistically the timescales over which satellite dwarf galaxies are environmentally quenched.