Wu–Zheng's structure conjecture for Kähler manifolds with nef cotangent bundle

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Let XX be a compact Kähler manifold, and suppose that its cotangent bundle ΩX1\Omega_X^1 is nef. Let k(X)k(X) denote the Kodaira dimension of XX.

Wu–Zheng's conjecture. There exists a finite étale cover X′X' of XX admitting a smooth fibration in complex tori

X′→YX'\to Y

onto a manifold YY such that dim⁡Y=k(X)\dim Y=k(X) and the canonical bundle ωY\omega_Y is ample.

The paper states that the preceding infinite-fundamental-group conjecture is a consequence of this conjecture in the Kähler case. Its resolution status is not specified in the supplied text.

References

Primary source

Francesco Esposito and Ernesto C. Mistretta, “On semiample vector bundles and parallelizable compact complex manifolds”, arXiv:2406.04139 (2024).

Additional references

2 papers in this index state this conjecture (2011–2024). The statement above is taken from the most recent of them; the others are arXiv:1111.3467.

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