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arXiv 1401.2677math.GR
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Burau表示的Garside理论分析

Garside-theoretic analysis of Burau representations

Matthieu Calvez, Tetsuya Ito

摘要:

我们建立了辫群的经典和对偶Garside结构与Burau表示之间的关系。利用经典结构,我们给出了4股辫群的Burau表示的一个非零准则.在对偶的情况下,它表明,任意辫子指数的Burau表示是单射时,限制到\emph{simply-nested braids}的集合。

英文摘要:

We establish relations between both the classical and the dual Garside structures of the braid group and the Burau representation. Using the classical structure, we formulate a non-vanishing criterion for the Burau representation of the 4-strand braid group. In the dual context, it is shown that the Burau representation for arbitrary braid index is injective when restricted to the set of \emph{simply-nested braids}.

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