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Graduate Seminar
Andy Zucker Carnegie Mellon University Title: A Topological Proof of Van Der Waerden's Theorem Abstract: Van Der Waerden's Theorem states that for a natural number k and any kcoloring of the natural numbers, some color class must contain arbitrarily long arithmetic progressions. In an effort to anger the ACO people, we will prove this using no combinatorics whatsoever. Instead, we will use topological semigroups, ultrafilters, and other abstract nonsense. Date: Wednesday, January 29, 2014 Time: 5:30 pm Location: Wean Hall 8220 Submitted by: Brian Kell 