Equivariant genus-zero correspondence conjecture for the local projective line

Let X=OP1(l1,l2,l3)X=\mathcal{O}_{\mathbb{P}^{1}}(l_1,l_2,l_3) with l1+l2+l3=2l_1+l_2+l_3=-2, and let GW0,2(X)\mathrm{GW}_{0,2}(X) and P1,d[P1](X)P_{1,d[\mathbb{P}^{1}]}(X) denote the equivariant invariants defined in the local-curve setup. Equivariant local-curve genus-zero correspondence conjecture.

GW0,2(X)=P1,2[P1](X)+18P1,[P1](X).\mathrm{GW}_{0,2}(X)=P_{1,2[\mathbb{P}^{1}]}(X)+\frac{1}{8}P_{1,[\mathbb{P}^{1}]}(X).

This is the degree-two equivariant analogue of the stable-pair genus-zero correspondence, in the case where P0,[P1](X)=0P_{0,[\mathbb{P}^{1}]}(X)=0; it is supported by the local computations in the paper but remains conjectural in the stated generality.

Sources & referencesView supporting material

Primary source

Yalong Cao, Davesh Maulik and Yukinobu Toda, “Stable pairs and Gopakumar-Vafa type invariants for Calabi-Yau 4-folds”, arXiv:1902.00003 (2019).

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