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- W2951878497 abstract "Any ample Cartier divisor D on a projective variety X is strictly nef (i.e. D.C>0 for any effective curve C on X). In general, the converse statement does not hold. But this is conjectured to be true for anticanonical divisors. The present paper establishes this fact for normal complex projective threefolds with canonical singularities. This result extends several previously known special cases. The proof rests mainly on sophisticated techniques of three dimensional birational geometry developed in the last two decades." @default.
- W2951878497 created "2019-06-27" @default.
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- W2951878497 date "1999-12-31" @default.
- W2951878497 modified "2023-09-30" @default.
- W2951878497 title "On the canonical threefolds with strictly nef anticanonical divisors" @default.
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- W2951878497 doi "https://doi.org/10.48550/arxiv.math/9912241" @default.
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