Independence conjecture for generalized Gopakumar–Vafa invariants

Let XX be a smooth projective Calabi–Yau threefold, let v=(β,m)v=(\beta,m) with βeq0\beta eq 0, let σU(X)\sigma\in U(X), and let γChowX(β)\gamma\in\operatorname{Chow}_X(\beta). Suppose that the moduli stack Mσ(v)\mathcal{M}_{\sigma}(v) is Calabi–Yau at γ\gamma, meaning that its virtual canonical bundle is trivial on an analytic neighborhood over γ\gamma. The invariant Φσ(γ,m)\Phi_{\sigma}(\gamma,m) is independent of σ\sigma and mm.

This conjecture predicts wall-crossing invariance of the generalized Gopakumar–Vafa invariant, extending the expected independence of stability condition and the integer parameter. The paper establishes related results under additional hypotheses, including for local surfaces, but the stated general invariance remains open.

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Primary source

Yukinobu Toda, “Gopakumar-Vafa invariants and wall-crossing”, arXiv:1710.01843 (2022).

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