Estimating Certain Non-Zero Littlewood-Richardson Coefficients

preprint2013arXivOpen access

Abstract

Littlewood Richardson coefficients are structure constants appearing in the representation theory of the general linear groups (GLnGL_n). The main results of this paper are: 1. A strongly polynomial randomized approximation scheme for certain Littlewood-Richardson coefficients. 2. A proof of approximate log-concavity of certain Littlewood-Richardson coefficients.

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