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Texas A&M University
Mathematics

Events for 01/26/2018 from all calendars

Newton-Okounkov bodies seminar

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Time: 1:00PM - 2:30PM

Location: BLOC 624

Speaker: Frank Sottile, Texas A&M University

Description: Title: Overview of "Mixed volumes and an extension of intersection theory of divisors” by Kaveh-Khovanskii, and organizational matters.


Algebra and Combinatorics Seminar

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Time: 3:00PM - 4:00PM

Location: BLOC 628

Speaker: Karina Batistelli, U. N. Cordoba

Title: Some Lie subalgebras of the matrix quantum pseudo-differential operators

Abstract: In this talk, we will characterize the irreducible quasifinite highest weight modules of some subalgebras of the Lie algebra of matrix quantum pseudodifferential operators N x N. In order to do this, we will first give a complete description of the anti-involutions that preserve the principal gradation of the algebra of NxN matrix quantum pseudodifferential operators and we will describe the Lie subalgebras of its minus fixed points. We will obtain, up to conjugation, two families of anti-involutions that show quite different results when n=N and n


Hiring Candidate - Dr. Jeffrey Kuan

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Time: 4:00PM - 5:00PM

Location: BLOC 220

Speaker: Dr. Jeffrey Kuan, Columbia University

Description:

Title: Algebraic constructions of Markov duality functions

Abstract: Markov duality in spin chains and exclusion processes has found a wide variety of applications throughout probability theory. We review the duality of the asymmetric simple exclusion process (ASEP) and its underlying algebraic symmetry. We then explain how the algebraic structure leads to a wide generalization of models with duality, such as higher spin exclusion processes, zero range processes, stochastic vertex models, and their multi-species analogues.