Algebras associated with Pseudo Reflection Groups: A Generalization of Brauer Algebras

Details Algebras associated with Pseudo Reflection Groups: A Generalization of Brauer Algebras Algebras associated with Pseudo Reflection Groups: A Generalization of Brauer Algebras

2010-03-27

arxiv.org/abs/1003.5280v1

Mathematics

Representation Theory

34 pages with 2 figures

Scientific paper

We present a way to associate an algebra $B_G (\Upsilon) $ with every pseudo reflection group $G$. When $G$ is a Coxeter group of simply-laced type we show $B_G (\Upsilon)$ is isomorphic to the generalized Brauer algebra of simply-laced type introduced by Cohen,Gijsbers and Wales[10]. We prove $B_G (\Upsilon)$ has a cellular structure and be semisimple for generic parameters when $G$ is a rank 2 Coxeter group. In the process of construction we introduce a Cherednik type connection for BMW algebras and a generalization of Lawrence-Krammer representation to complex braid groups associated with all pseudo reflection groups.

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