Abstract
The Gopakumar–Vafa type invariants on Calabi–Yau 4-folds (which are non-trivial only for genus zero and one) are defined by Klemm–Pandharipande from Gromov–Witten theory, and their integrality is conjectured. In a previous work of Cao–Maulik–Toda, \(\mathop {\mathrm{DT}}\nolimits _4\) invariants with primary insertions on moduli spaces of one dimensional stable sheaves are used to give a sheaf theoretical interpretation of the genus zero GV type invariants. In this paper, we propose a sheaf theoretical interpretation of the genus one GV type invariants using descendent insertions on the above moduli spaces. The conjectural formula in particular implies nontrivial constraints on genus zero GV type (equivalently GW) invariants of CY 4-folds which can be proved by the WDVV equation.
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Acknowledgements
We are grateful to Martijn Kool and Sergej Monavari for helpful discussions and warmly thank Sergej Monavari for his help in doing a computation using his program. This work is partially supported by the World Premier International Research Center Initiative (WPI), MEXT, Japan. Y. C. is partially supported by JSPS KAKENHI Grant Number JP19K23397 and Newton International Fellowships Alumni 2019. Y. T. is partially supported by Grant-in Aid for Scientific Research grant (No. 26287002) from MEXT, Japan.
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Communicated by H. T. Yau
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Cao, Y., Toda, Y. Gopakumar–Vafa Type Invariants on Calabi–Yau 4-Folds via Descendent Insertions. Commun. Math. Phys. 383, 281–310 (2021). https://doi.org/10.1007/s00220-020-03897-9
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DOI: https://doi.org/10.1007/s00220-020-03897-9