Fusion and specialization for type ADE shuffle algebras
Representation Theory
2025-12-23 v2 Quantum Algebra
Abstract
Root vectors in quantum groups (of finite type) generalize to fused currents in quantum loop groups ([5]). In the present paper, we construct fused currents as duals to specialization maps of the corresponding shuffle algebras ([7,8,9]) in types ADE. Both root vectors and fused currents depend on a convex order of the positive roots, and the choice we make in the present paper is that of the Auslander-Reiten order ([24]) corresponding to an orientation of the type ADE Dynkin diagram.
Keywords
Cite
@article{arxiv.2408.02411,
title = {Fusion and specialization for type ADE shuffle algebras},
author = {Andrei Neguţ and Alexander Tsymbaliuk},
journal= {arXiv preprint arXiv:2408.02411},
year = {2025}
}