The balanced metric conjecture for compact complex manifolds satisfying the ∂∂‾\partial\overline{\partial}-lemma

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A compact complex manifold is a complex manifold that is compact, and a balanced metric on a complex manifold of complex dimension nn is a Hermitian metric whose fundamental (1,1)(1,1)-form ω\omega satisfies

d(ωn−1)=0.d(\omega^{n-1})=0.

The ∂∂‾\partial\overline{\partial}-lemma is the property that every dd-closed form which is both ∂\partial-exact and ∂‾\overline{\partial}-exact is also ∂∂‾\partial\overline{\partial}-exact.

Balanced metric conjecture. Each compact complex manifold XX satisfying the ∂∂‾\partial\overline{\partial}-lemma admits a balanced metric.

This conjecture asks whether the ∂∂‾\partial\overline{\partial}-lemma, a strong condition controlling complex and cohomological properties, guarantees the existence of a balanced metric. The supplied text does not state whether the conjecture is resolved.

References

Primary source

Sheng Rao and Quanting Zhao, “Several special complex structures and their deformation properties”, arXiv:1604.05396 (2017).

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