The invariant of Turaev-Viro from Group category
Résumé
A Group category is a spherical category whose simple objects are invertible. The invariant of Turaev-Viro with this particular category is in fact the invariant of Dijkgraaf-Witten whose the group and the 3-cocycle is given by the simple objects and the associativity constraint of the category.
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amsopn.sty (4.96 Ko)
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