Base-point-freeness conjecture for lc algebraically integrable foliations
Base-point-freeness conjecture for lc algebraically integrable foliations
Let be an lc algebraically integrable foliated triple. Let be an ample -divisor on such that is nef. Then:
- is semi-ample.
- If is Cartier, then is globally generated for any integer .
Base-point-freeness conjecture. Under these hypotheses, the divisor is semi-ample, and in the Cartier case its sufficiently high multiples are globally generated.
This is the foliated analogue of a base-point-free theorem for lc algebraically integrable foliations. The surrounding results provide positive evidence in locally stable-family and co-rank-one situations, while the general assertion remains open.
Sources & referencesView supporting material
Primary source
Jihao Liu, Fanjun Meng and Lingyao Xie, “Minimal model program for algebraically integrable foliations on klt varieties”, arXiv:2404.01559 (2025).
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