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Wednesday, October 4, 2017
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11:00am [11:00am]Srikanth Srinivasan
Description:
Title: A Sum Product theorem over finite fields Abstract: Let A be a finite subset of a field F. Define A+A and AA to be the set of pairwise sums and products of elements of A, respectively. We will see a theorem of Bourgain, Katz and Tao that shows that if neither A+A nor AA is much bigger than A, then A must be (in some well-defined sense) close to a subfield of F.

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