Analytic and microscopic stability threshold conjecture

Let (X,Δ)(X,\Delta) be a log Fano manifold with vanishing Futaki character. Let γ(X,Δ)G\gamma(X,\Delta)^{\mathcal{G}} denote the reduced Gibbs stability threshold and let δA(X,Δ)G\delta^{\mathrm{A}}(X,\Delta)^{\mathcal{G}} denote the reduced analytic stability threshold. Reduced threshold conjecture. The invariants γ(X,Δ)G\gamma(X,\Delta)^{\mathcal{G}} and δA(X,Δ)G\delta^{\mathrm{A}}(X,\Delta)^{\mathcal{G}} coincide. This extends the previously cited conjectural equality between the unreduced analytic and Gibbs thresholds to the symmetry-reduced setting; the source provides no resolution.

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Primary source

Rolf Andreasson, Robert J. Berman and Ludvig Svensson, “Gibbs polystability of Fano manifolds, stability thresholds and symmetry breaking”, arXiv:2511.16173 (2026).

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