Logarithmic descendent PT/GW correspondence

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Let (X,D)(X,D) be the logarithmic pair, let β\beta be a curve class, and set

dβ=c1(TX)⋅β∈Z.d_\beta=c_1(T_X)\cdot\beta\in\mathbb{Z}.

Let α=(α1,…,αk)\alpha=(\alpha_1,\ldots,\alpha_k) be a partition, let ζ1,…,ζk\zeta_1,\ldots,\zeta_k be cohomology classes, and let τα1−1(ζ1)⋯ταk−1(ζk)‾\overline{\tau_{\alpha_1-1}(\zeta_1)\cdots\tau_{\alpha_k-1}(\zeta_k)} denote the corrected descendent insertion defined in the source. Let μ(δ)\bm{\mu}(\delta) be relative conditions. Under the identification −q=eiu-q=e^{iu}, descendent PT/GW correspondence. One has

(−q)−dβ/2ZPT(X,D;q∣τα1−1(ζ1)⋯ταk−1(ζk)∣μ(δ))β(-q)^{-d_\beta/2}\mathsf{Z}_{\mathsf{PT}}\left(X,D;q\mid\tau_{\alpha_1-1}(\zeta_1)\cdots\tau_{\alpha_k-1}(\zeta_k)\mid\bm{\mu}(\delta)\right)_\beta =(−iu)dβ+∑ℓ(μj)−∣μj∣ZGW(X,D;u∣τα1−1(ζ1)⋯ταk−1(ζk)‾∣μ(δ))β.=(-iu)^{d_\beta+\sum\ell(\mu_j)-|\mu_j|}\mathsf{Z}_{\mathsf{GW}}\left(X,D;u\mid\overline{\tau_{\alpha_1-1}(\zeta_1)\cdots\tau_{\alpha_k-1}(\zeta_k)}\mid\bm{\mu}(\delta)\right)_\beta.

This is the full descendent form of the curve/sheaf correspondence for PT theory, extending the primary correspondence through corrected descendents. The supplied text gives no resolution status.

References

Primary source

Davesh Maulik and Dhruv Ranganathan, “Logarithmic enumerative geometry for curves and sheaves”, arXiv:2311.14150 (2025).

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