Helmke's numerical Fujita freeness conjecture
Helmke's numerical Fujita freeness conjecture
Let be a smooth projective variety of dimension , and let be an ample divisor such that
and, for every irreducible cycle of dimension ,
Helmke's numerical Fujita freeness conjecture. Under these conditions, the adjoint divisor
is globally generated. This numerical version is intended to imply Fujita's freeness statement from numerical positivity conditions and is currently open in general.
Sources & referencesView supporting material
Primary source
Jiaming Chen, Alex Küronya, Yusuf Mustopa and Jakob Stix, “Convex Fujita numbers are not determined by the fundamental group”, arXiv:2301.06367 (2024).
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