English

Modular representations of the Yangian $Y_2$

Representation Theory 2024-11-22 v3

Abstract

Let Y2Y_2 be the Yangian associated to the general linear Lie algebra gl2\mathfrak{gl}_2, defined over an algebraically closed field \mathbbmk\mathbbm{k} of characteristic p>0p > 0. In this paper, we study the representation theory of the restricted Yangian Y2[p]Y^{[p]}_2. This leads to a description of the representations of gl2n\mathfrak{gl}_{2n}, whose pp-character is nilpotent with Jordan type given by a two-row partition (n,n)(n, n).

Keywords

Cite

@article{arxiv.2403.18727,
  title  = {Modular representations of the Yangian $Y_2$},
  author = {Hao Chang and Jinxin Hu and Lewis Topley},
  journal= {arXiv preprint arXiv:2403.18727},
  year   = {2024}
}

Comments

23 pages, final version, to appear in JLMS

R2 v1 2026-06-28T15:35:47.897Z