Boucksom–Jonsson's regularization conjecture

Let (X,L)(X,L) be a polarized manifold, let E1,NA(L)\mathcal{E}^{1,\rm NA}(L) be the finite-energy non-Archimedean metrics, let HNA(L){\mathcal H}^{\rm NA}(L) be the smooth positive non-Archimedean metrics associated to semiample test configurations, and let MANA{\rm MA}^{\rm NA} denote the non-Archimedean Monge–Ampère measure. Let AXA_X be the log discrepancy function on XNAX^{\rm NA}. Regularization conjecture. For any ϕE1,NA(L)\phi\in \mathcal{E}^{1,\rm NA}(L), there exists a sequence {ϕm}HNA(L)\{\phi_m\}\subset {\mathcal H}^{\rm NA}(L) converging to ϕ\phi in the strong topology such that

XNAAX(v)MANA(ϕ)=limm+XNAAX(v)MANA(ϕm).\int_{X^{\rm NA}}A_X(v){\rm MA}^{\rm NA}(\phi)=\lim_{m\rightarrow +\infty}\int_{X^{\rm NA}}A_X(v){\rm MA}^{\rm NA}(\phi_m).

Boucksom and Jonsson introduced this conjecture in their non-Archimedean approach to K-stability. The source states that it is not known in general and that it would imply the entropy-slope conjectures and the uniform Yau–Tian–Donaldson conjecture in the setting considered there.

Sources & referencesView supporting material

Primary source

Chi Li, “Geodesic rays and stability in the cscK problem”, arXiv:2001.01366 (2021).

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