MathOverflow will be down for maintenance for approximately 3 hours, starting Monday evening (06/24/2013) at approximately 9:00 PM Eastern time (UTC-4).

Nevertheless, I like the title "The homotopy category is a homotopy category" by Arne Strøm. I also like the very apt title "$\overline{\mathcal{M}}_{22}$ is of general type" by Gavril Farkas. The paper starts like this: