A simple sufficient condition for triviality of obstructions in the orbifold construction for subfactors
DOI:
https://doi.org/10.7146/math.scand.a-26240Abstract
We present a simple sufficient condition for triviality of obstructions in the orbifold construction. As an application, we can show the existence of subfactors with principal graph $D_{2n}$ without full use of Ocneanu's paragroup theory.
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