Braid representations from quantum groups of exceptional Lie type

Details Braid representations from quantum groups of exceptional Lie type Braid representations from quantum groups of exceptional Lie type

2010-04-23

arxiv.org/abs/1004.4133v1

Mathematics

Quantum Algebra

Scientific paper

We study the problem of determining if the braid group representations obtained from quantum groups of types $E, F$ and $G$ at roots of unity have infinite image or not. In particular we show that when the fusion categories associated with these quantum groups are not weakly integral, the braid group images are infinite. This provides further evidence for a recent conjecture that weak integrality is necessary and sufficient for the braid group representations associated with any braided fusion category to have finite image.

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