Journal
PACIFIC JOURNAL OF MATHEMATICS
Volume 234, Issue 1, Pages 33-41Publisher
PACIFIC JOURNAL MATHEMATICS
DOI: 10.2140/pjm.2008.234.33
Keywords
twisted quantum doubles; Artin's braid group; pure braid group; representations modular categories
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We investigate the braid group representations arising from categories of representations of twisted quantum doubles of finite groups. For these categories, we show that the resulting braid group representations always factor through finite groups, in contrast to the categories associated with quantum groups at roots of unity. We also show that in the case of p-groups, the corresponding pure braid group representations factor through a finite p-group, which answers a question asked of the first author by V. Drinfeld.
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