Stable pair invariants of local Calabi-Yau 4-folds

Abstract

In 2008, Klemm-Pandharipande defined Gopakumar-Vafa type invariants of a Calabi-Yau 4-fold $X$ using Gromov-Witten theory. Recently, Cao-Maulik-Toda proposed a conjectural description of these invariants in terms of stable pair theory. When $X$ is the total space of the sum of two line bundles over a surface $S$, and all stable pairs are scheme theoretically supported on the zero section, we express stable pair invariants in terms of intersection numbers on Hilbert schemes of points on $S$. As an application, we obtain new verifications of the Cao-Maulik-Toda conjectures for low degree curve classes and find connections to Carlsson-Okounkov numbers. Some of our verifications involve genus zero Gopakumar-Vafa type invariants recently determined in the context of the log-local principle by Bousseau-Brini-van Garrel. Finally, using the vertex formalism, we provide a few more verifications of the Cao-Maulik-Toda conjectures when thickened curves contribute and also for the case of local ${\mathbb{P}}^3$.

arXiv commentPublished version, 23 pages

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Cited by in corpus (14)

• $K$-theoretic DT/PT correspondence for toric Calabi-Yau 4-folds
• Counting sheaves on Calabi-Yau 4-folds, I
• Stable maps to Looijenga pairs
• Curve counting via stable objects in derived categories of Calabi-Yau 4-folds
• Tautological stable pair invariants of Calabi-Yau 4-folds
• Tetrahedron instantons in Donaldson-Thomas theory
• Stable maps to Looijenga pairs: orbifold examples
• Double nested Hilbert schemes and the local stable pairs theory of curves
• Gopakumar-Vafa type invariants of holomorphic symplectic 4-folds
• Stable pairs and Gopakumar-Vafa type invariants on holomorphic symplectic 4-folds
• Open/Closed BPS Correspondence and Integrality
• A Donaldson-Thomas crepant resolution conjecture on Calabi-Yau 4-folds
• Wall-crossing for zero-dimensional sheaves and Hilbert schemes of points on Calabi-Yau 4-folds
• Enumerative geometry of surfaces and topological strings