Cascini–Spicer's algebraic integrability conjecture for foliated triples

Let (X,F,B)(X,\mathcal{F},B) be a Q\mathbb{Q}-factorial projective foliated triple, such that F\mathcal{F} is algebraically integrable, BB is a Q\mathbb{Q}-divisor, (X,B)(X,B) is klt, and one of the following cases holds: (X,F,B)(X,\mathcal{F},B) is F-dlt, or (X,F,B)(X,\mathcal{F},B) is canonical. Cascini–Spicer's conjecture. Then there exists a morphism

f:XYf:X\rightarrow Y

which induces F\mathcal{F}. This concerns whether algebraically integrable foliations under these singularity assumptions arise from morphisms; the supplied text gives no resolution status.

Sources & referencesView supporting material

Primary source

Guodu Chen, Jingjun Han, Jihao Liu and Lingyao Xie, “Minimal model program for algebraically integrable foliations and generalized pairs”, arXiv:2309.15823 (2026).

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