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flow pass a cylinder with Reynolds number 200. The simulation was done using the augmented immersed interface method.
Algebra and Combinatorics Seminar
Upcoming Events

Monday, October 12, 2015 at 3:00 PM in SAS 4201
Natasha Rozhkovskaya, Kansas State University
Shifted symmetric functions
The focus of this talk is the properties of so-called shifted Schur functions, in particular their vertex operator presentation. Shifted Schur functions appear in representation theory of classical Lie algebras as eigenvalues of the elements of a certain linear basis of a center of the corresponding universal enveloping algebra. The methods used to construct this linear basis can be extended further to construct explicitly generators of maximal commutative subalgebras in enveloping algebras, and even more, similar techniques were used recently to describe explicitly generators of Feigin-Frenkel centers of classical Lie algebras. The talk is based on a joint project with N. Jing.

Monday, October 19, 2015 at 3:00 PM in SAS 4201
David Penneys, UCLA
Classifying quantum symmetries
Quantum symmetries are non-commutative analogs of the representation
categories of finite groups. There is no single best axiomatization;
choices include fusion categories and standard invariants of finite
index subfactors. In one sense, subfactors of small index give the
simplest examples of quantum symmetries. I will discuss recent joint
work with Afzaly and Morrison which gives the complete classification
of subfactor standard invariants to index 5+1/4, which includes
3+sqrt{5}, the first interesting composite index.

Friday, October 30, 2015 at 3:00 PM in SAS 2102
Lindsay Piechnik, High Point University

Monday, November 2, 2015 at 3:00 PM in SAS 4201
Tri Lai, Institute for Mathematics and its Applications

Monday, November 9, 2015 at 3:00 PM in SAS 4201
Emily Barnard, NC State Mathematics Graduate Student

Monday, November 16, 2015 at 3:00 PM in SAS 4201
Andrei Minchenko, Weizmann Institute, Israel

Monday, November 23, 2015 at 3:00 PM in SAS 4201
Ezra Miller, Duke University

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