Elementary derivation of Weingarten functions of classical Lie groups
Mathematical Physics
2015-01-22 v2 Combinatorics
math.MP
Abstract
Integration of polynomials over the classical groups of unitary, orthogonal and symplectic matrices can be reduced to basic building blocks known as Weingarten functions. We present an elementary derivation of these functions.
Cite
@article{arxiv.1406.2182,
title = {Elementary derivation of Weingarten functions of classical Lie groups},
author = {Marcel Novaes},
journal= {arXiv preprint arXiv:1406.2182},
year = {2015}
}
Comments
v2 fixes some imprecisions