The zonotope criterion for generating line bundles on smooth toric varieties
The zonotope criterion for generating line bundles on smooth toric varieties
Let be a smooth toric variety, and let be the zonotope appearing in the source. Suppose the positive-dimensional subvarieties admitting linear inclusions into are
For divisors on , assume that and that the corresponding linear inclusions satisfy
for every .
Zonotope generation conjecture. Under these assumptions,
is a classical generator of .
The conjecture is intended to imply the preceding Frobenius-generation conjecture: the preceding geometric results reduce possible nonzero-cohomology obstructions to line bundles over vertices of the relevant zonotope, while this statement predicts that the finite collection of Frobenius summands selected by the generates.
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Primary source
Andrew Hanlon, Jeff Hicks and Oleg Lazarev, “Resolutions of toric subvarieties by line bundles and applications”, arXiv:2303.03763 (2024).
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