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Mathematics > Complex Variables
Title: Demailly-Lelong numbers on complex spaces
(Submitted on 13 Mar 2024)
Abstract: We establish a pointwise comparison of two notions of Lelong numbers of plurisubharmonic functions defined on singular complex spaces. This shows a conjecture proposed by Berman-Boucksom-Eyssidieux-Guedj-Zeriahi, affirming that the Demailly-Lelong number can be determined through a combination of intersection numbers given by the divisorial part of the potential and the SNC divisors over a log resolution of the maximal ideal of a given point. We also provide an estimate for quotient singularities and sharp estimates for two-dimensional ADE singularities.
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