منابع مشابه
On subvarieties with ample normal bundle
We show that a pseudoeffective R-divisor has numerical dimension 0 if it is numerically trivial on a subvariety with ample normal bundle. This implies that the cycle class of a curve with ample normal bundle is big, which gives an affirmative answer to a conjecture of Peternell. We also give other positivity properties of such subvarieties.
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ژورنال
عنوان ژورنال: SIAM Journal on Mathematics of Data Science
سال: 2021
ISSN: 2577-0187
DOI: 10.1137/20m1356002