中文

由Weyl群中反射生成的Lie超代数

表示论 2026-04-14 v2

摘要

我们考察了经典类型的有限Weyl群——W(Ar)W(A_{r})r1r \geq 1)、W(Br)=W(Cr)W(B_{r}) = W(C_{r})r2r \geq 2)以及W(Dr)W(D_{r})r4r \geq 4)——作为反射超度为奇数的超群。在通过格雷德换手子空间构成反力括号,将其对应的复群代数视为Lie超代数后,我们确定由反射集合生成的Lie子超代数的结构。在每种情况下,这个Lie超代数等于该群代数的全导子代数外加反射类和的张量。

关键词

引用

@article{arxiv.2509.00945,
  title  = {Lie Superalgebras Generated by Reflections in Weyl Groups of Classical Type},
  author = {Christopher M. Drupieski and Jonathan R. Kujawa},
  journal= {arXiv preprint arXiv:2509.00945},
  year   = {2026}
}

备注

33 pages. Version 2 includes various minor corrections and improvements to the exposition. The GAP code used in the paper can be obtained by downloading the full set of source files from the ArXiv