The degeneration formula for stable log maps

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Abstract

We give a direct proof for the degeneration formula of Gromov–Witten invariants including its cycle version for degenerations with smooth singular locus in the setting of stable log maps of Abramovich-Chen, Chen, Gross–Siebert.

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Manuscripta mathematica, 170, 63, Springer, Berlin, 2023, https://doi.org/10.1007/s00229-021-01361-z

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