Subfactorizability conjecture for three-dimensional fusion bialgebras of type II

Let \b5\b5 be the parameter of the one-parameter family of three-dimensional canonical fusion bialgebras in case II, with \b53\b5\rfloor 3. A fusion bialgebra is subfactorizable if it can be realized as the 22-box space of a planar algebra arising from a subfactor. Subfactorizability conjecture. The one-parameter family of three-dimensional fusion bialgebras in case II can be subfactorized if and only if

\b5=cot2(π2N+2)\b5=\cot^2\left(\frac{\pi}{2N+2}\right)

for some NZ+N\in\mathbb{Z}_+. The preceding realization results show that the corresponding planar algebras arise from subfactors for precisely these parameter values; the conjecture asserts the same characterization for subfactorizability of the fusion bialgebras themselves.

Sources & referencesView supporting material

Primary source

Zhengwei Liu, Sebastien Palcoux and Jinsong Wu, “Fusion Bialgebras and Fourier Analysis”, arXiv:1910.12059 (2021).

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