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

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

XYX\rightarrow Y

onto a projective manifold YY.

Touzet's fibration conjecture. The foliation F\mathcal{F} is induced by a fibration XYX\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.

Sources & referencesView supporting material

Primary source

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

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