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Non-perturbative Topological String Partition Function on Twisted Affine Line Bundle over $\mathbb{C}\times T^2$

High Energy Physics - Theory 2026-01-21 v1

Abstract

Using instanton partition function for five dimensional U(1)U(1) gauge theory with eight supercharges and a single adjoint massive hypermultiplet on the Ω\Omega background, we give explicit expression for non-perturbative corrections to the topological string theory in the holomorphic limit. It was argued that in this case the theory is compactified on the twisted affine line bundle over C×T2\mathbb{C}\times T^2. We perform calculations in two ways. First we modify the integration contour by adding poles responsible for non-perturbative physics in accordance with a recent proposal. Then, we compute the genus zero Gopakumar-Vafa invariants for our case and evaluate the non-perturbative corrections to the partition function. We check that both calculations give the same result.

Keywords

Cite

@article{arxiv.2601.12877,
  title  = {Non-perturbative Topological String Partition Function on Twisted Affine Line Bundle over $\mathbb{C}\times T^2$},
  author = {Ignatios Antoniadis and Marine Samsonyan},
  journal= {arXiv preprint arXiv:2601.12877},
  year   = {2026}
}

Comments

13 pages, 1 figure

R2 v1 2026-07-01T09:10:17.351Z