arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1812.04531math.RTmath.CO
收藏

关于复反射群的分划代数的表示论

On representation theory of partition algebras for complex reflection groups

Ashish Mishra, Shraddha Srivastava

摘要:

本文定义了复反射群$G(r,p,n)$作用于$k$ -折叠张量积$(\mathbb{C}^n)^{\otimes k}$的分划代数,其中$\mathbb{C}^n$是$G(r,p,n)$的反射表示. Tanabe给出了$G(r,p,n)$的这种作用的中心化子代数的基,Orellana研究了$p =1$的相应的分划代数.我们还建立了一个子代数作为$G(r,p,n)$的一个子群作用在$(\mathbb{C}^n)^{\otimes k}$上的分划代数。我们称这些代数为Tanabe代数。本文主要研究Tanabe代数的表示论:不可约模的参数化,Tanabe代数塔的Bratteli图的构造.最后,我们给出了Tanabe代数的Jucys-Murphy元及其在不可约模的Gelfand-Tsetlin基上的作用。

英文摘要:

This paper defines the partition algebra for complex reflection group $G(r,p,n)$ acting on $k$-fold tensor product $(\mathbb{C}^n)^{\otimes k}$, where $\mathbb{C}^n$ is the reflection representation of $G(r,p,n)$. A basis of the centralizer algebra of this action of $G(r,p,n)$ was given by Tanabe and for $p =1$, the corresponding partition algebra was studied by Orellana. We also establish a subalgebra as partition algebra of a subgroup of $G(r,p,n)$ acting on $(\mathbb{C}^n)^{\otimes k}$. We call these algebras as Tanabe algebras. The aim of this paper is to study representation theory of Tanabe algebras: parametrization of their irreducible modules, and construction of Bratteli diagram for the tower of Tanabe algebras. We conclude the paper by giving Jucys-Murphy elements of Tanabe algebras and their actions on the Gelfand-Tsetlin basis, determined by this multiplicity free tower, of irreducible modules.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑