Generalized abundance for symplectic varieties

Let XX be a primitive symplectic variety, and let LL be a nef line bundle on XX. A line bundle is semiample if some positive tensor power is generated by global sections.

Generalized abundance for symplectic varieties. Then LL is semiample.

This conjecture would produce a fibration from the linear system of a sufficiently divisible multiple of LL. It is stated as a conjectural abundance result and remains open in the given generality.

Sources & referencesView supporting material

Primary source

Philip Engel, Stefano Filipazzi, François Greer, Mirko Mauri and Roberto Svaldi, “Boundedness of some fibered K-trivial varieties”, arXiv:2507.00973 (2025).

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