Journal
GEOMETRY & TOPOLOGY
Volume 24, Issue 3, Pages 1297-1379Publisher
GEOMETRY & TOPOLOGY PUBLICATIONS
DOI: 10.2140/gt.2020.24.1297
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Funding
- EPSRC award, Counting curves in algebraic geometry, Imperial College London [1513338]
- EPRSC [EP/L015234/1]
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Gross, Pandharipande and Siebert have shown that the 2-dimensional Kontsevich- Soibelman scattering diagrams compute certain genus-zero log Gromov-Witten invariants of log Calabi-Yau surfaces. We show that the q-refined 2-dimensional Kontsevich-Soibelman scattering diagrams compute, after the change of variables q = e(i (h) over bar), generating series of certain higher-genus log Gromov-Witten invariants of log Calabi-Yau surfaces. This result provides a mathematically rigorous realization of the physical derivation of the refined wall-crossing formula from topological string theory proposed by Cecotti and Vafa and, in particular, can be viewed as a nontrivial mathematical check of the connection suggested by Witten between higher-genus open A-model and Chem-Simons theory. We also prove some new BPS integrality results and propose some other BPS integrality conjectures.
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