Argyres-Douglas modular representation conjecture for the DAHA module

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Let \scDℓ(1)\scD^{(1)}_{\ell} be the ℓ\ell-dimensional module singled out among the four modules in the shortening regime, with basis indexed by 0≤j≤ℓ−10\leq j\leq \ell-1. Let S~jj′\widetilde S_{jj'} be the transformed SS-matrix and let bℓb_\ell and gjg_j be the normalization factors appearing in the formulas. Argyres-Douglas modular representation conjecture. The space \scDℓ(1)\scD^{(1)}_{\ell} is an ℓ\ell-dimensional PSL(2,Z)\mathrm{PSL}(2,\mathbb{Z}) representation with the displayed modular SS and TT matrices; this representation comes from a modular tensor category associated to the Argyres-Douglas theory of type (A1,A2(ℓ−1))(A_1,A_{2(\ell-1)}), and the matrices coincide with those of the (2,2ℓ+1)(2,2\ell+1) Virasoro minimal model at q=e−2πi/(2ℓ+1)q=e^{-2\pi i/(2\ell+1)}. The claim connects the DAHA module to both an Argyres-Douglas modular tensor category and a Virasoro minimal model, but no resolution status is supplied.

References

Primary source

Sergei Gukov, Peter Koroteev, Satoshi Nawata, Du Pei and Ingmar Saberi, “Branes and DAHA Representations”, arXiv:2206.03565 (2025).

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