The pointwise Lelong-number refinement for the L12L^2_{-1}-locus

Let XX be a non-Kählerian surface, and let TT be an exact positive (1,1)(1,1)-current on XX. The L12L^2_{-1}-locus L12(TX)L^2_{-1}(T|X) is the set of points around which TT is locally in L12L^2_{-1}. Let xx be a point of XX and let a Lelong number be understood in the usual sense for a positive current.

Pointwise Lelong-number refinement. If TT is not in L12(X)L^2_{-1}(X) and xotinL12(TX)x otin L^2_{-1}(T|X), then there \exists on XX an exact positive (1,1)(1,1)-current with non-vanishing Lelong number at xx.

This strengthens the preceding conjecture by prescribing the point where the Lelong number is nonzero. The paper states that the refinement is verified for all parabolic surfaces; its status in general is not given.

Sources & referencesView supporting material

Primary source

Ionut Chiose and Matei Toma, “Positive currents on non-kählerian surfaces, II”, arXiv:2210.07629 (2022).

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