Department of Mathematics,
University of California San Diego
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Math 296-Graduate Student Colloquium
Brendon Rhoades
Local permutation statistics
Abstract:
A {\em permutation statistic} is a complex-valued function on the symmetric group $\mathfrak{S}_n$. We describe a notion of `locality' which measures the complexity of permutation statistics. Applications are given to the asymptotic behavior of families of statistics as the parameter $n$ grows. The key technical tool is an irreducible character evaluation on the symmetric group algebra which involves a novel combinatorics of `monotonic ribbon tableaux'. Joint with Zach Hamaker.
Host: Jonathan Novak
January 18, 2023
4:00 PM
Meeting is on Zoom at: https://ucsd.zoom.us/j/
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