A uniform trigonometric R-matrix for the exceptional series

Fuente: arXiv
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Main Authors: Westbury, Bruce W., Zinn-Justin, Paul
Format: Preprint
Published: 2024
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author Westbury, Bruce W.
Zinn-Justin, Paul
author_facet Westbury, Bruce W.
Zinn-Justin, Paul
contents The exceptional series is a finite list of points on a projective line with a simple Lie algebra attached to each point. This list of Lie algebras includes the five exceptional Lie algebras. We give a uniform trigonometric $R$-matrix for the exceptional series in the representation $L\oplus I$, where $L$ is the quantum deformation of the adjoint representation and $I$ is the trivial representation. We construct a sixteen dimensional algebra, $A^\square(\mathit2)$, which interpolates the algebras $\mathrm{End}(\otimes^2(L\oplus I))$ and a 287 dimensional algebra, $A^\square(\mathit3)$, which interpolates the algebras $\mathrm{End}(\otimes^3(L\oplus I))$. The $R$-matrix lives in $A^\square(\mathit2)$ and satisfies the Yang-Baxter equation in $A^\square(\mathit3)$; it interpolates the trigonometric $R$-matrices for the points in the exceptional series.
format Preprint
id arxiv_https___arxiv_org_abs_2406_01348
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle A uniform trigonometric R-matrix for the exceptional series
Westbury, Bruce W.
Zinn-Justin, Paul
Representation Theory
Mathematical Physics
Quantum Algebra
The exceptional series is a finite list of points on a projective line with a simple Lie algebra attached to each point. This list of Lie algebras includes the five exceptional Lie algebras. We give a uniform trigonometric $R$-matrix for the exceptional series in the representation $L\oplus I$, where $L$ is the quantum deformation of the adjoint representation and $I$ is the trivial representation. We construct a sixteen dimensional algebra, $A^\square(\mathit2)$, which interpolates the algebras $\mathrm{End}(\otimes^2(L\oplus I))$ and a 287 dimensional algebra, $A^\square(\mathit3)$, which interpolates the algebras $\mathrm{End}(\otimes^3(L\oplus I))$. The $R$-matrix lives in $A^\square(\mathit2)$ and satisfies the Yang-Baxter equation in $A^\square(\mathit3)$; it interpolates the trigonometric $R$-matrices for the points in the exceptional series.
title A uniform trigonometric R-matrix for the exceptional series
topic Representation Theory
Mathematical Physics
Quantum Algebra
url https://arxiv.org/abs/2406.01348