The uniruledness conjecture via Kodaira dimension and RC-positivity
The uniruledness conjecture via Kodaira dimension and RC-positivity
Let be a projective manifold, let be its canonical bundle, let be its anticanonical bundle, and let denote its Kodaira dimension. Uniruledness conjecture. The condition is equivalent to each of the following: is uniruled; is not pseudo-effective; is RC-positive; admits a Hermitian metric with positive Chern scalar curvature; and, for every ample line bundle , there is a positive integer such that
whenever and . The source notes that the equivalence of uniruledness with non-pseudo-effectivity of is already known, but presents the full equivalence as a conjectural formulation.
Sources & referencesView supporting material
Primary source
Xiaokui Yang, “RC-positivity, rational connectedness and Yau's conjecture”, arXiv:1708.06713 (2018).
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