Curve counting and DT/PT correspondence for Calabi-Yau 4-folds

Curve counting and DT/PT correspondence for Calabi-Yau 4-folds
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Calabi-Yau 4 倍的曲线计数和 DT/PT 对应关系

DOI:
10.1016/j.aim.2020.107371
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发表时间:
2020
影响因子:
1.7
通讯作者:
Kool Martijn
Kool Martijn
中科院分区:
数学1区
文献类型:
--
作者:
Cao Yalong;Kool Martijn

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最近,Cao-Maulik-户田定义了紧Calabi-Yau 4-foldX的稳定对不变量.它们的不变量与Klemm-Pandharipande用Gromov-Witten理论定义的X的Gopakumar-Vafa型不变量有着密切的关系。在本文中,我们认为,曲线计数不变量的X使用希尔伯特计划的曲线和猜想DT/PT对应关系,这些稳定对不变量的X。在紧的情况下提供证据后,我们定义类似的不变量复曲面Calabi-Yau 4倍。我们制定了一个顶点形式主义的理论和猜想之间的关系(完全等变)DT/PT顶点,我们检查在几种情况下。这种关系意味着DT/PT对应复曲面Calabi-Yau 4倍与初级插入。
Recently, Cao-Maulik-Toda defined stable pair invariants of a compact Calabi-Yau 4-foldX. Their invariants are conjecturally related to the Gopakumar-Vafa type invariants ofXdefined using Gromov-Witten theory by Klemm-Pandharipande. In this paper, we consider curve counting invariants ofXusing Hilbert schemes of curves and conjecture a DT/PT correspondence which relates these to stable pair invariants ofX.After providing evidence in the compact case, we define analogous invariants for toric Calabi-Yau 4-folds. We formulate a vertex formalism for both theories and conjecture a relation between the (fully equivariant) DT/PT vertex, which we check in several cases. This relation implies a DT/PT correspondence for toric Calabi-Yau 4-folds with primary insertions.
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