Seminar Event Detail


Combinatorics

Date:  Friday, October 22, 2021
Location:  4088 East Hall (3:00 PM to 4:00 PM)

Title:  Newell-Littlewood numbers

Abstract:   The Newell-Littlewood numbers are defined in terms of the Littlewood-Richardson coefficients. Both arise as tensor product multiplicities for a classical Lie group. A. Klyachko connected eigenvalues of sums of Hermitian matrices to the saturated LR-cone and established defining linear inequalities. We prove analogues for the saturated NL-cone. This is based on work with Gidon Orelowitz, Nicolas Ressayre and Alexander Yong; see arxiv.org/abs/2005.09012, arxiv.org/abs/2009.09904, and https://arxiv.org/abs/2107.03152.

Files:


Speaker:  Shiliang Gao
Institution:  University of Illinois

Event Organizer:   Sergey Fomin   

 

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