Urbinati's global generation conjecture for Weil divisors
Urbinati's global generation conjecture for Weil divisors
Let be a complex normal projective variety and a Weil divisor on . Global generation conjecture. There is an ample Cartier divisor on such that for any , the sheaf is globally generated.
The conjecture is closely related to discreteness of jumping numbers: a proof would give an unconditional positive answer to that question. The paper establishes a weak form for isolated points of the non--Cartier locus of .
Sources & referencesView supporting material
Primary source
Patrick Graf, “The jumping coefficients of non-Q-Gorenstein multiplier ideals”, arXiv:1410.5091 (2015).
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