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Mathematical Sciences Colloquium by Brendon Rhoades
Friday, Nov. 1, 2019
2 p.m. - 3 p.m. Location: CB1 1.104

Brendon Rhoades

University of California, San Diego

The algebra and geometry of ordered set partitions

An {\em ordered set partition} of size $n$ is a sequence $(B_1, \dots, B_k)$ of nonempty sets such that we have a disjoint union decomposition $B_1 \sqcup \cdots \sqcup B_k = \{1, 2, \dots, n \}$.  When $k = n$, we have a natural identification with permutations in the symmetric group $S_n$. We discuss algebraic and geometric incarnations of ordered set partitions, generalizing results of Chevalley, Artin, Steinberg, Borel, and others. We also discuss how ordered set partitions relate to the theory of Macdonald polynomials.

Persons with disabilities may submit a request for accommodations to participate in this event at UT Dallas' ADA website. You may also call (972) 883-5331 for assistance or send an email to [email protected]. All requests should be received no later than 2 business days prior to the event.
Contact Info:
Viswanath Ramakrishna, 972-883-6873
Questions? Email me.

Tagged as Lectures/Seminars, Professional Dev.
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