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Graduate Seminar

Andy Zucker
Carnegie Mellon University
Title: Devlin's Theorem (finally!)

Abstract: At long last comes the talk I promised you all last semester about Devlin's theorem. We will investigate various infinite Ramsey theorems where we demand some additional structure to be preserved. We will see exactly how complicated r-colorings of pairs of rational numbers can be, proving a theorem of Galvin. Finally, we will sketch out the ideas underlying Devlin's theorem about r-colorings of k-tuples of rationals.

Date: Thursday, January 22, 2015
Time: 5:30 pm
Location: Wean Hall 8220
Submitted by:  Zilin Jiang