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Sean Clark's user avatar
Sean Clark's user avatar
Sean Clark's user avatar
Sean Clark
  • Member for 15 years, 1 month
  • Last seen more than 4 years ago
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Ph.D. in Mathematics from the University of Virginia
BS in Mathematics from the College of William and Mary

Primary Interests: Lie algebras and superalgebras, quantum groups, categorification

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7
A semigroup $S$ that $|S| > 2$ is regular if and only if $x^2=x$ for any $x \in S$ where $S-\{x\}$ is a group
7
Why is arc length not in the formula for the volume of a solid of revolution?
7
Intuition behind the definition of quantum groups
7
Computing in quantum groups
6
Why are the divided difference operators of the nil Hecke ring only of degree 1?