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Joshua Zahl (UBC) "Dimension-expanding polynomials and the discretized Elekes-Ronyai theorem"

When:

Monday, February 22, 2021 from 4:10pm to 5:15pm

Where:

Zoom meeting: 989 6034 6659 Password: math

Description:

Virtual Math Seminar.

Monday, February 22, 4:10-5:15pm MT

Zoom link, meeting, and password:

  • https://zoom.us/j/98960346659?pwd=YVpSTzVuOTUwYzFRWmQvNktqeTg1Zz09
  • 989 6034 6659
  • math

Speaker.

Joshua Zahl (University of British Columbia)

Title.

Dimension-expanding polynomials and the discretized Elekes-Ronyai theorem

Abstract.

I will discuss a discretized version of the Elekes-Ronyai theorem from additive combinatorics, which is closely related to the sum-product problem. The Elekes-Ronyai theorem has recently had applications to combinatorial geometry, including variants of the Erdos distinct distances problem. The discretized version of the Elekes-Ronyai theorem has similar applications, and in particular I will discuss some new results on a pinned version of the Falconer distance problem. This is joint work with Orit Raz.

Contact:

Department of Mathematical Sciences
Blair Davey
(406) 994-3123
[email protected]

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Montana State University: Mountains and Minds
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