Tube algebra of group-type subfactors

Article Type

Research Article

Publication Title

International Journal of Mathematics

Abstract

We describe the tube algebra and its representations in the cases of diagonal and Bisch-Haagerup subfactors possibly with a scalar 3-cocycle obstruction. We show that these categories are additively equivalent to the direct product over conjugacy classes of representation category of a centralizer subgroup (corresponding to the conjugacy class) twisted by a scalar 2-cocycle obtained from the 3-cocycle obstruction.

DOI

10.1142/S0129167X17500690

Publication Date

9-1-2017

Comments

Open Access, Green

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