The "Putnam" is a math problems contest for undergraduates in the U.S. and Canada. It is the most famous contest of its kind and has been called "the world's toughest math test.' No registration required. Visit www.math.illinois.edu/contests.html for more info or join the Putnam mailing list be contacting firstname.lastname@example.org.
Nov. 14 & Nov. 28, 5 pm - 6 pm, 141 Altgeld Hall: Putnam training sessions. The sessions are informal, and there is no need to register; just show up!