The Chaos Within Sudoku, by Maria Ercsey-Ravasz and Zoltan Toroczkai; from the Technology Review blog; this paper gives a means of algorithmically rating Sudoku puzzles’ hardness by mapping them onto dynamical systems. David Eppstein comments; he’s previously given this question some thought.
Jeremy Kun has an excellent blog entitled Math ∩ Programming.
Nate Silver runs down a list of other presidential forecasting models.
Stanislas Dehaene and Steven Strogatz, How Math Comes to Mind: Intuition, Visualization, and Teaching, 79 minute public lecture given at Princeton in 2011. The story of how Strogatz almost got weeded out of math starts at 29:10. (Audio-only track is also available, and it should hold up that way; it’s just people talking.)
I’m looking for a job, in the SF Bay Area. See my linkedin profile.