Abstract

AbstractWe prove a higher genus version of the genus$0$local-relative correspondence of van Garrel-Graber-Ruddat: for$(X,D)$a pair withXa smooth projective variety andDa nef smooth divisor, maximal contact Gromov-Witten theory of$(X,D)$with$\lambda _g$-insertion is related to Gromov-Witten theory of the total space of${\mathcal O}_X(-D)$and local Gromov-Witten theory ofD.Specializing to$(X,D)=(S,E)$forSa del Pezzo surface or a rational elliptic surface andEa smooth anticanonical divisor, we show that maximal contact Gromov-Witten theory of$(S,E)$is determined by the Gromov-Witten theory of the Calabi-Yau 3-fold${\mathcal O}_S(-E)$and the stationary Gromov-Witten theory of the elliptic curveE.Specializing further to$S={\mathbb P}^2$, we prove that higher genus generating series of maximal contact Gromov-Witten invariants of$({\mathbb P}^2,E)$are quasimodular and satisfy a holomorphic anomaly equation. The proof combines the quasimodularity results and the holomorphic anomaly equations previously known for local${\mathbb P}^2$and the elliptic curve.Furthermore, using the connection between maximal contact Gromov-Witten invariants of$({\mathbb P}^2,E)$and Betti numbers of moduli spaces of semistable one-dimensional sheaves on${\mathbb P}^2$, we obtain a proof of the quasimodularity and holomorphic anomaly equation predicted in the physics literature for the refined topological string free energy of local${\mathbb P}^2$in the Nekrasov-Shatashvili limit.

Highlights

  • Higher genus local-relative correspondenceLet be a smooth projective complex variety and a smooth effective divisor on. We assume that is nef: that is, · ≥ 0 for every curve on

  • Specializing further to = P2, we prove that higher genus generating series of maximal contact Gromov-Witten invariants of (P2, ) are quasimodular and satisfy a holomorphic anomaly equation

  • The proof combines the quasimodularity results and the holomorphic anomaly equations previously known for local P2 and the elliptic curve

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Summary

Higher genus local-relative correspondence

Let be a smooth projective complex variety and a smooth effective divisor on. We assume that is nef: that is, · ≥ 0 for every curve on. The main novelty for > 0 is that the degeneration formula contains new terms that are not present for = 0 and come from the bubble geometry P(O ⊕ O ( )). We compute these correction terms using the relative virtual localization formula in Gromov-Witten theory applied to the scaling action of C∗ on the fibers of the P1-bundle.

The case of log Calabi-Yau surfaces with smooth boundary
Conifold gap conjecture
Nekrasov-Shatashvili limit of local P2
Outline of the paper
Relative Gromov-Witten theory
Statement of the local-relative correspondence
Degeneration
Localization
The denominators
The case of log Calabi-Yau surfaces
Twisted Gromov-Witten theory of the elliptic curve
Mirror of local P2 and quasimodular forms
Proof of finite generation and quasimodularity
Holomorphic anomaly equation for the elliptic curve
Holomorphic anomaly equation for local P2
Full Text
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