Enumeration conjecture for non-Temperley–Lieb subfactor planar algebras at index 3+53+\sqrt{5}

A subfactor planar algebra is non-Temperley–Lieb if it is not the Temperley–Lieb subfactor planar algebra. The index is the Jones index, and dual subfactor planar algebras are counted separately when listed as distinct examples. The notation A3A4A_3*A_4 denotes the Bisch–Jones Fuss–Catalan subfactor planar algebra; 2D22D2, 3Z/2Z×Z/2Z3^{\mathbb{Z}/2\mathbb{Z}\times\mathbb{Z}/2\mathbb{Z}}, 3Z/4Z3^{\mathbb{Z}/4\mathbb{Z}}, and 44424442 name the specified subfactor planar algebras.

Enumeration conjecture. At index 3+53+\sqrt{5}, there are exactly 1313 non-Temperley–Lieb subfactor planar algebras: the Bisch–Jones Fuss–Catalan A3A4A_3*A_4 subfactor planar algebra and its dual; the 55 quotients of the Fuss–Catalan A3A4A_3*A_4 subfactor planar algebra, including the self-dual tensor product; the unique 2D22D2 subfactor planar algebra and its dual; Izumi's unique symmetrically self-dual 3Z/2Z×Z/2Z3^{\mathbb{Z}/2\mathbb{Z}\times\mathbb{Z}/2\mathbb{Z}} subfactor planar algebra; Izumi's unique 3Z/4Z3^{\mathbb{Z}/4\mathbb{Z}} subfactor planar algebra and its dual; and the unique symmetrically self-dual 44424442 subfactor planar algebra.

This conjecture proposes completeness of the list at index 3+53+\sqrt{5}, following constructions and classification results for several of the listed examples and for exactly 11-supertransitive subfactor planar algebras. The supplied source does not state that the complete enumeration has been proved.

Sources & referencesView supporting material

Primary source

Scott Morrison and David Penneys, “2-supertransitive subfactors at index 3+5”, arXiv:1406.3401 (2014).

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