An optimal gap of minimal log discrepancies of threefold non-canonical singularities

Jihao Liu, Liudan Xiao

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https://doi.org/10.1016/j.jpaa.2021.106674

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Journal: Journal of Pure and Applied Algebra	Publication Date: Jan 7, 2021
Citations: 7	License type: elsevier-specific: oa user license

Abstract

We show that the minimal log discrepancy of any Q -Gorenstein non-canonical threefold is ≤ 12 13 , which is an optimal bound.

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