Twisted Fusion Products and Quantum Twisted $Q$-Systems

Fuente: arXiv
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Auteur principal: Lin, Mingyan Simon
Format: Preprint
Publié: 2024
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author Lin, Mingyan Simon
author_facet Lin, Mingyan Simon
contents We obtain a complete characterization of the space of matrix elements dual to the graded multiplicity space arising from fusion products of Kirillov-Reshetikhin modules over special twisted current algebras defined by Kus and Venkatesh, which generalizes the result of Ardonne and Kedem to the special twisted current algebras. We also prove the conjectural identity of $q$-graded fermionic sums by Hatayama et al. for the special twisted current algebras, from which we deduce that the graded tensor product multiplicities of the fusion products of Kirillov-Reshetikhin modules over special twisted current algebras are both given by the $q$-graded fermionic sums, and constant term evaluations of products of solutions of the quantum twisted $Q$-systems obtained by Di Francesco and Kedem.
format Preprint
id arxiv_https___arxiv_org_abs_2410_08657
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Twisted Fusion Products and Quantum Twisted $Q$-Systems
Lin, Mingyan Simon
Quantum Algebra
Combinatorics
Representation Theory
17B37, 13F60
We obtain a complete characterization of the space of matrix elements dual to the graded multiplicity space arising from fusion products of Kirillov-Reshetikhin modules over special twisted current algebras defined by Kus and Venkatesh, which generalizes the result of Ardonne and Kedem to the special twisted current algebras. We also prove the conjectural identity of $q$-graded fermionic sums by Hatayama et al. for the special twisted current algebras, from which we deduce that the graded tensor product multiplicities of the fusion products of Kirillov-Reshetikhin modules over special twisted current algebras are both given by the $q$-graded fermionic sums, and constant term evaluations of products of solutions of the quantum twisted $Q$-systems obtained by Di Francesco and Kedem.
title Twisted Fusion Products and Quantum Twisted $Q$-Systems
topic Quantum Algebra
Combinatorics
Representation Theory
17B37, 13F60
url https://arxiv.org/abs/2410.08657