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Quantum modularity in refined topological recursion

  • Veronica Fantini
  • Kento Osuga
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Abstract

In this paper we study the Borel summability and quantum modularity of the free energy computed by refined topological recursion on the Weber-type refined spectral curve. On the one hand, we verify expected properties, namely, Stokes rays come in a pair and the Borel-Laplace sum of the free energy coincides with the Barnes double gamma function. Somewhat unexpectedly, on the other hand, we prove that the generating function of the Stokes constants along each ray is a Jacobi quantum modular function. Our proof suggests that quantum modularity may be a general feature of refined topological recursion, applicable beyond the Weber-type refined spectral curve.

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Cite

BibTeXRIS
BibTeX
@misc{fantini2026quantum,
  title = {{Quantum modularity in refined topological recursion}},
  author = {Veronica Fantini and Kento Osuga},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.23864},
  eprint = {2609.23864},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.23864},
}
RIS
TY  - UNPB
TI  - Quantum modularity in refined topological recursion
AU  - Veronica Fantini
AU  - Kento Osuga
PY  - 2026
DA  - 2026/09/30
PB  - arXiv
DO  - 10.48550/arxiv.2609.23864
UR  - https://arxiv.org/abs/2609.23864
AB  - In this paper we study the Borel summability and quantum modularity of the free energy computed by refined topological recursion on the Weber-type refined spectral curve. On the one hand, we verify expected properties, namely, Stokes rays come in a pair and the Borel-Laplace sum of the free energy coincides with the Barnes double gamma function. Somewhat unexpectedly, on the other hand, we prove that the generating function of the Stokes constants along each ray is a Jacobi quantum modular function. Our proof suggests that quantum modularity may be a general feature of refined topological recursion, applicable beyond the Weber-type refined spectral curve.
ER  -