Bounded discrepancy conjecture for divisors computing minimal log discrepancies

Let dd be a positive integer and let Γ[0,1]\Gamma\subset[0,1] be a DCC set. There exists a positive real number ll, depending only on dd and Γ\Gamma, such that for every lc pair (Xx,B)(X\ni x,B) of dimension dd, with XX Q\mathbb{Q}-Gorenstein and BΓB\in\Gamma, there is a prime divisor EE over XxX\ni x satisfying

a(E,X,B)=mld(Xx,B)a(E,X,B)={\rm mld}(X\ni x,B)

and

a(E,X,0)l.a(E,X,0)\leq l.

Bounded discrepancy conjecture. The divisor computing the minimal log discrepancy can be chosen with discrepancy for (X,0)(X,0) bounded uniformly in terms of dd and Γ\Gamma. The claim is a general conjectural boundedness statement for minimal log discrepancy computations; the supplied excerpt gives no resolution status or further evidence.

Sources & referencesView supporting material

Primary source

Jingjun Han, Jihao Liu and Yujie Luo, “ACC for minimal log discrepancies of terminal threefolds”, arXiv:2202.05287 (2022).

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