中文

Nilpotent 群字符variety混合Hodge多项式的显式公式

代数几何 2024-11-11 v2

摘要

Hom0(Γ,G)Hom^0(\Gamma,G) 为将有限生成幂零群 Γ\Gamma 的表示变换到连通红里复仿射代数群 GG 的变换集的单位表示的连通分量。借助 Florentino、Lawton 和 Silva 给出的公式,我们提供当 G=Sp2nG=Sp_{2n}G=SOnG=SO_{n} 时,字符variety Hom0(Γ,G)//GHom^0(\Gamma,G)// G 混合Hodge多项式的显式分区类型公式。

关键词

引用

@article{arxiv.2410.10008,
  title  = {Explicit formulas for mixed Hodge polynomials of character varieties of nilpotent groups},
  author = {Ruoxi Li and Rahul Singh},
  journal= {arXiv preprint arXiv:2410.10008},
  year   = {2024}
}

备注

A mistake in the previous version of the article is corrected (see Fact 2.2) and this version generalizes to finitely generated nilpotent groups of positive abelian rank