Finite determination conjecture for Mather–Jacobian minimal log discrepancies below a threshold

Let XX be a dd-dimensional variety, let xXx\in X be a closed point, and let sm(X,x)=(m+1)ddimXm(x)s_m(X,x)=(m+1)d-\dim X_m(x), where Xm(x)X_m(x) is the local mm-jet scheme at xx. Let δ\delta be an integer with δd\delta\leq d. Threshold finite determination conjecture. There exists Nd,δNN_{d,\delta}\in {\mathbb N} depending only on dd and δ\delta such that, whenever mldMJ(x;X)<δ\mathrm{mld_{MJ}}(x;X)<\delta, there is an mNd,δm\leq N_{d,\delta} with

sm(X,x)<δ.s_m(X,x)<\delta.

These conjectures split the finite determination conjecture into bounds at fixed thresholds; the source presents them as conjectural and states no resolution.

Sources & referencesView supporting material

Primary source

Shihoko Ishii, “Finite determination conjecture for Mather-Jacobian minimal log discrepancies and its applications”, arXiv:1703.08500 (2018).

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