On the complete perturbative solution of one-matrix models

We summarize the recent results about complete solvability of Hermitian and rectangular complex matrix models. Partition functions have very simple character expansions with coefficients made from dimensions of representation of the linear group GL(N), and arbitrary correlators in the Gaussian phase...

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Main Authors: A. Mironov, A. Morozov
Format: Article
Language:English
Published: Elsevier 2017-08-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269317304574
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spelling doaj-03e8c9f9a9c0469fb9671d26697502cc2020-11-24T21:23:59ZengElsevierPhysics Letters B0370-26932017-08-01771503507On the complete perturbative solution of one-matrix modelsA. Mironov0A. Morozov1Lebedev Physics Institute, Moscow 119991, Russia; ITEP, Moscow 117218, Russia; Institute for Information Transmission Problems, Moscow 127994, Russia; Corresponding author.ITEP, Moscow 117218, Russia; Institute for Information Transmission Problems, Moscow 127994, RussiaWe summarize the recent results about complete solvability of Hermitian and rectangular complex matrix models. Partition functions have very simple character expansions with coefficients made from dimensions of representation of the linear group GL(N), and arbitrary correlators in the Gaussian phase are given by finite sums over Young diagrams of a given size, which involve also the well known characters of symmetric group. The previously known integrability and Virasoro constraints are simple corollaries, but no vice versa: complete solvability is a peculiar property of the matrix model (hypergeometric) τ-functions, which is actually a combination of these two complementary requirements.http://www.sciencedirect.com/science/article/pii/S0370269317304574
collection DOAJ
language English
format Article
sources DOAJ
author A. Mironov
A. Morozov
spellingShingle A. Mironov
A. Morozov
On the complete perturbative solution of one-matrix models
Physics Letters B
author_facet A. Mironov
A. Morozov
author_sort A. Mironov
title On the complete perturbative solution of one-matrix models
title_short On the complete perturbative solution of one-matrix models
title_full On the complete perturbative solution of one-matrix models
title_fullStr On the complete perturbative solution of one-matrix models
title_full_unstemmed On the complete perturbative solution of one-matrix models
title_sort on the complete perturbative solution of one-matrix models
publisher Elsevier
series Physics Letters B
issn 0370-2693
publishDate 2017-08-01
description We summarize the recent results about complete solvability of Hermitian and rectangular complex matrix models. Partition functions have very simple character expansions with coefficients made from dimensions of representation of the linear group GL(N), and arbitrary correlators in the Gaussian phase are given by finite sums over Young diagrams of a given size, which involve also the well known characters of symmetric group. The previously known integrability and Virasoro constraints are simple corollaries, but no vice versa: complete solvability is a peculiar property of the matrix model (hypergeometric) τ-functions, which is actually a combination of these two complementary requirements.
url http://www.sciencedirect.com/science/article/pii/S0370269317304574
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