English

Higgsing $qq$-character and irreducibility

Quantum Algebra 2025-10-14 v3 High Energy Physics - Theory Representation Theory

Abstract

We study the qqqq-character of quantum affine and toroidal algebra modules, with a focus on the role of spectral parameters. In particular, we revisit how their specialization affects the irreducibility of these modules.

Keywords

Cite

@article{arxiv.2205.08312,
  title  = {Higgsing $qq$-character and irreducibility},
  author = {Taro Kimura},
  journal= {arXiv preprint arXiv:2205.08312},
  year   = {2025}
}

Comments

39 pages, v3. presentation improved

R2 v1 2026-06-24T11:19:49.788Z