Conjecture on quasi-positive holomorphic sectional curvature

Let XX be a compact Kähler manifold of dimension n3n\geq 3. A Kähler metric has quasi-positive holomorphic sectional curvature if its holomorphic sectional curvature is nonnegative everywhere and positive at some point.

Conjecture on quasi-positive curvature. If XX has a Kähler metric with quasi-positive holomorphic sectional curvature, then XX is a projective and rationally connected manifold.

The statement is known in complex dimension two from results cited in the paper, while the source proposes it for dimensions n3n\geq 3. It is presented as an open high-dimensional extension of Yau's conjecture.

Sources & referencesView supporting material

Primary source

Kai Tang, “Positive curvature operator, projective manifold and rational connectedness”, arXiv:1905.04894 (2019).

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