ScalingStacks

Lemma A.3 . [01CS]

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Lemma A.3.

With the previous notation let θ∈𝒵1,1​(X)\theta\in\mathcal{Z}^{1,1}(X) be the curvature form of the model metric induced by ℒ\mathcal{L}. Then (θ,0)(\theta,0) satisfies (A.1) iff the approximate Zariski decompositions (A.2) are asymptotically orthogonal, in the sense that

(A.3) limm→∞(1m​ℳm)n⋅(1m​Fm)=0.\lim_{m\to\infty}\left(\tfrac{1}{m}\mathcal{M}_{m}\right)^{n}\cdot\left(\tfrac{1}{m}F_{m}\right)=0.

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