Fano reduced-invariant conjecture

Let XX be a Fano variety for which both the reduced and standard Gromov–Witten invariants are defined. Fano reduced-invariant conjecture. The reduced and standard Gromov–Witten invariants of XX agree.

This predicts that the reduced construction introduces no change for Fano targets. The candidate context gives no further hypotheses or evidence concerning the status of the conjecture.

Sources & referencesView supporting material

Primary source

Alberto Cobos Rabano, Etienne Mann, Cristina Manolache and Renata Picciotto, “Higher genus reduced Gromov–Witten invariants via desingularizations of sheaves”, arXiv:2310.06727 (2026).

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