Here is an archive of
solutions to past Putnam competitions (most recently, the 2013 competition), with contributions from me, anda nice
story about Duke's Putnam program from Duke Magazine
the past four years, a panel of people at Duke, including me, have held
a Math Jam chat, hosted by Art of Problem Solving, to discuss Duke's
undergraduate program (especially in math) with prospective students.
Here are the transcripts from our chats: November
I am an editor for the journal Quantum Topology. Please send
me a message if you are interested in submitting an article (especially
in symplectic and contact topology).