A_n^{(1)}与D_n^{(1)}型单幂零量子坐标环与预基本表示
表示论
2025-03-04 v3 组合数学
量子代数
摘要
对于量子圈代数为和型、且和型的第基本权为极小权的情形,我们给出由Hernandez和Jimbo引入的预基本表示的一种新实现。我们定义的Borel子代数在由平移相伴的单幂零量子坐标环上的作用,并证明其同构于。随后,我们基于对偶PBW向量的Lusztig数据给出的组合实现。
引用
@article{arxiv.2103.05894,
title = {Unipotent quantum coordinate ring and prefundamental representations for types $A_n^{(1)}$ and $D_n^{(1)}$},
author = {Il-Seung Jang and Jae-Hoon Kwon and Euiyong Park},
journal= {arXiv preprint arXiv:2103.05894},
year = {2025}
}
备注
41 pages, introduction is revised, Lemma 3.2 is revised, the proofs of Lemma 3.8 and Corollary 4.8 are revised, added Example 3.9, Example 4.4 and Example 4.19, comments added on Remark 3.11, Remark 4.9, Remark 4.21 and Remark 4.30, typos corrected, minor corrections