Problem Solving References & Resources Overview of seminars oriented towards problem solving. Includes sample problem sets, list of online resources, college mathematics journals, and useful books. Maintained by Andrew Bernoff (Harvey Mudd College). http://www.math.hmc.edu/~ajb/PCMI/problem_solve.html Hmc.edu~Site InfoWhoisTrace RouteRBL Check
Ravi Vakil (Stanford) Training resources for the Putnam competition. Practice problems, notes on mathematical theories, and recommended reading. http://math.stanford.edu/~vakil/putnam03/ Stanford.edu~Site InfoWhoisTrace RouteRBL Check