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The seminars of the Columbia Undergraduate Mathematics Society are currently held virtually via Zoom on Wednesdays at 7:30 PM EDT unless otherwise noted. The talks have the purpose of exposing members to different topics or areas of research in mathematics that they might not otherwise encounter in class. The lectures should be accessible to all students studying mathematics or pursuing math-related majors. Everyone is welcome!
| Date | Speaker | Title | Abstract |
| September 23 |
Kyle Hayden
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The Rectangular Peg Problem |
Over a century ago, Toeplitz posed a simple question: does every continuous loop in the plane (with no self-intersections) contain four points that form the vertices of a square? While this question remains unsolved, a variant known as the Smooth Rectangular Peg Problem was answered just a few months ago by Josh Greene and Andrew Lobb. I'll discuss this problem and its surprising solution, which will take us on a tour of combinatorics, curves, surfaces, and symplectic geometry.
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| September 30 |
Mark Rychnovsky
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| October 7 |
Leo Lo
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| October 14 |
Michael Miller
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| October 21 |
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| October 28 |
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| November 4 |
Zoe Himwich
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| November 11 |
Daniela De Silva
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| November 18 |
Nguyen Dung
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| November 25 |
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No meeting |
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| December 2 |
Chao Li
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