Mirror-symmetry correspondence for punctured class-SS theories

Let Vg,nV_{g,n} be the vertex operator algebra associated with a genus-gg class-SS theory with n>0n>0 regular punctures, and let Mg,nT={Ma}\mathcal{M}_{g,n}^T=\{M_a\} be the fixed manifolds of the corresponding moduli space. Assume 0<αn<<α1<1/40<\alpha_n<\cdots<\alpha_1<1/4, where αi\alpha_i are the parabolic parameters. Let h(La)h(L_a) be the conformal dimension of the highest-weight state of the simple module LaL_a, let ω(i)\omega^{(i)} be the fundamental weight of the iith flavor su(2)\mathfrak{su}(2), and let [λ1,,λn][\lambda_1,\ldots,\lambda_n] denote its flavor representation. Write μmax\mu_\text{max} for the maximal moment-map value.

Mirror-symmetry conjecture. When n>0n>0, there is a bijection between the simple modules {La}\{L_a\} of Vg,nV_{g,n} and the fixed manifolds Mg,nT={Ma}\mathcal{M}_{g,n}^T=\{M_a\} such that, for even nn,

μMaμmaxαiω(i)=h(La)+i=1nλiω(i),\left.\mu_{M_a}-\mu_\text{max}\right|_{\alpha_i\mapsto-\omega^{(i)}}=h(L_a)+\sum_{i=1}^n\lambda_i\omega^{(i)},

and, for odd nn,

μMaμmaxα112+ω(1),αi>112ω(i)=h(La)+i=1nλiω(i).\left.\mu_{M_a}-\mu_\text{max}\right|_{\alpha_1\mapsto\frac{1}{2}+\omega^{(1)},\,\alpha_{i>1}\mapsto\frac{1}{2}-\omega^{(i)}}=h(L_a)+\sum_{i=1}^n\lambda_i\omega^{(i)}.

Moreover, the Jordan type of modular TT (respectively, STSSTS) is

[(1δμ(Ma),0)(dimMa+1)+g]MaMg,nT\left[(1-\delta_{\mu(M_a),0})(\dim M_a+1)+g\right]_{M_a\in\mathcal{M}_{g,n}^T}

for even (respectively, odd) nn.

This conjecture extends the proposed correspondence between VOA modules and fixed manifolds in the presence of puncture flavor symmetries. The source does not state a resolution, so it remains open.

Sources & referencesView supporting material

Primary source

Yiwen Pan and Wenbin Yan, “Mirror symmetry for 4d A_1 class-S theories: modularity, defects and Coulomb branch”, arXiv:2412.03155 (2024).

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