Local smoothing conjecture for holomorphic sections and c9-trace positivity

From papers

Let EE be a holomorphic vector bundle with a singular Hermitian metric hh, and let c9c9 be the Kähler metric from Proposition cref{smoothing of tr-c9 semi-posi for constant section}. A smooth Hermitian metric is c9-trace semi-positive when its c9-trace curvature is nonnegative. Local holomorphic-section approximation conjecture. Under the situation of that proposition, the section c3c3 should be allowed to be holomorphic rather than constant; equivalently, locally there should exist smooth Hermitian metrics (hbd)bdinmathbbN(h_bd)_{bdinmathbb{N}} that are c9-trace semi-positive and decrease to hh. This asks whether the constant-section smoothing result extends to holomorphic sections, and the source presents it as a conjectural extension without giving a resolution.

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Sources & referencesView supporting material

Primary source

Yuta Watanabe, “ω-trace and Griffiths positivity for singular Hermitian metrics”, arXiv:2402.06658 (2024).

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