MIT Combinatorics Seminar Open Session Everybody  (Everywhere) Wednesday, September 15, 2004    4:15 pm    Room 2-338 ABSTRACT Everybody is invited to make a short 5/10 min talk about an open problem, conjecture, interesting result, or some stuff you are working on. If you would like to talk, please send an e-mail to Alex Postnikov (apost at math.mit.edu) in advance.