Touzet's fibration conjecture for regular foliations on rationally connected manifolds

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Let XX be a rationally connected projective manifold, and let F\mathcal{F} be a regular holomorphic foliation on XX. A fibration is a morphism

X→YX\rightarrow Y

onto a projective manifold YY.

Touzet's fibration conjecture. The foliation F\mathcal{F} is induced by a fibration X→YX\rightarrow Y onto a projective manifold.

This conjecture generalizes the classification of regular one-dimensional holomorphic foliations on smooth projective rational surfaces. It was verified for weak Fano manifolds, but remains open already in dimension 33.

References

Primary source

Miguel Rodríguez Peña, “On Bott's residue formula for toric complete intersections”, arXiv:2506.19790 (2025).

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