The paper proves a wall-crossing formula expressing quadratic Gromov-Witten invariants of a general fiber of a d-surgery del Pezzo degeneration in terms of those of the untwisted fiber, with correction terms in the Grothendieck-Witt group.
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A quadratic Abramovich-Bertram formula
The paper proves a wall-crossing formula expressing quadratic Gromov-Witten invariants of a general fiber of a d-surgery del Pezzo degeneration in terms of those of the untwisted fiber, with correction terms in the Grothendieck-Witt group.