Author

Jingjun Han

Johns Hopkins University

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Preprint Sep 2026

A linear bound for Fujita's freeness conjecture

Let $X$ be a smooth complex projective variety of dimension $n$, and let $L$ be an ample Cartier divisor. We prove that $K_X+mL$ is globally generated for every integer $m\geq\lceil C_0n\rceil$, where $C_0=1.77629\ldots$ is an explicit constant. In particular, $K_X+2nL$ is globally generated. We also prove that if $Z$...

Jingjun Han · 1 citation