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arXiv 2112.04418math.AG
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Open/closed Correspondence via Relative/local Correspondence

Chiu-Chu Melissa Liu, Song Yu

摘要:

建立了光滑复曲面Calabi-Yau 3-fold $X$的圆盘不变量与光滑复曲面Calabi-Yau 4-fold $\widetilde{X}$的亏格为零的封闭Gromov-Witten不变量之间的对应关系,证明了Mayr提出并由Lerche-Mayr发展的开/闭对应关系.我们的对应是两个中间步骤的组成:$\circ$第一,磁盘之间的对应关系不变量的$(X,L,f)$和亏格为零的最大正切相对Gromov-Witten不变量的相对Calabi-Yau 3倍$(Y,D)$,其中$Y$是一个复曲面部分紧化的$X$通过添加一个光滑的复曲面因子$D$。这种对应可以作为拓扑顶点(Li-Liu-Liu-Zhou)和Fang-Liu的结果而获得,其中$(X,L,f)$的所有亏格开Gromov-Witten不变量与$(Y,D)$沿着环面1-骨架的形式完备化的形式相对Gromov-Witten不变量相一致。在这里,我们提出了一个证明,而不诉诸形式几何。第二,$\circ$的最大正切相对Gromov-Witten不变量与复曲面Calabi-Yau 4-fold $\widetilde{X} = \mathcal{O}_Y(-D)$的封闭Gromov-Witten不变量在亏格零中的对应。这可以看作是van Garrel-Graber-Ruddat的对数局部原理在非紧环境下的一个实例。

英文摘要:

We establish a correspondence between the disk invariants of a smooth toric Calabi-Yau 3-fold $X$ with boundary condition specified by a framed Aganagic-Vafa outer brane $(L, f)$ and the genus-zero closed Gromov-Witten invariants of a smooth toric Calabi-Yau 4-fold $\widetilde{X}$, proving the open/closed correspondence proposed by Mayr and developed by Lerche-Mayr. Our correspondence is the composition of two intermediate steps: $\circ$ First, a correspondence between the disk invariants of $(X,L,f)$ and the genus-zero maximally-tangent relative Gromov-Witten invariants of a relative Calabi-Yau 3-fold $(Y,D)$, where $Y$ is a toric partial compactification of $X$ by adding a smooth toric divisor $D$. This correspondence can be obtained as a consequence of the topological vertex (Li-Liu-Liu-Zhou) and Fang-Liu where the all-genus open Gromov-Witten invariants of $(X,L,f)$ are identified with the formal relative Gromov-Witten invariants of the formal completion of $(Y,D)$ along the toric 1-skeleton. Here, we present a proof without resorting to formal geometry. $\circ$ Second, a correspondence in genus zero between the maximally-tangent relative Gromov-Witten invariants of $(Y,D)$ and the closed Gromov-Witten invariants of the toric Calabi-Yau 4-fold $\widetilde{X} = \mathcal{O}_Y(-D)$. This can be viewed as an instantiation of the log-local principle of van Garrel-Graber-Ruddat in the non-compact setting.

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