Weyl 群在零权空间上的作用
表示论
2019-08-27 v2 群论
摘要
对于任意单复李群,我们分类了那些最长元素 在零权空间上非平凡作用的不可约有限维表示 。在权中包含零的不可约表示中, 按 Id 作用当且仅当 的最高权是某个基本权的倍数,且其系数小于一个依赖于该群和基本权的界。
引用
@article{arxiv.1806.00347,
title = {Action of Weyl group on zero weight space},
author = {Bruno Le Floch and Ilia Smilga},
journal= {arXiv preprint arXiv:1806.00347},
year = {2019}
}
备注
20 pages. This version has two appendixes that did not appear in the published version. The first appendix contains the full list of the results of the computations done "by hand", and the second appendix contains the computer code used to do these computations