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A question on effective strictly nef divisors (with an appendix by Andreas Höring)

Published 12 Jun 2023 in math.AG | (2306.06985v3)

Abstract: We introduce and motivate the following question: Is every effective strictly nef Cartier divisor on a projective variety big? In the appendix, Andreas H\"oring produces a counterexample, thus providing a negative answer.

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