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Fujita’s freeness conjecture

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Proves Fujita’s freeness conjecture at its sharp bound in every dimension: for a smooth projective complex variety X of dimension n and an ample line bundle L, the adjoint \(K_X+mL\) is globally generated for every integer \(m\ge n+1\).

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The paper states

Theorem 1.1

In Fujita’s freeness conjecture, 23 September 2026

Possible match to OpenAI’s description, selected from the papers’ main statements because it shares the most wording. No review confirming the selection is recorded.

Let X be a smooth connected projective variety over \C of dimension n\geq 1, and let L be an ample line bundle on X. Then

K_X+(n+1)L

is generated by its global sections.

Reported proof verification
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Papers

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Fujita’s freeness conjecture

23 September 2026, current edition.

Read it herePDF

We prove Fujita’s freeness conjecture. If X is a smooth complex projective variety of dimension n and L is an ample line bundle, then \(K_X+mL\) is globally generated for every integer \(m\geq n+1\).

Lean statements

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Independent comparisons and proof-verification reports

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What people have said

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  • An unsigned public tier list, the OpenAI Math Tier List, classes it as a proof and rates its significance, if it holds up, as “Career-defining publication”. The page says that nothing on it is verified.

    Author not stated. Source

Questions awaiting review

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Identify the theorem the catalogue describes

  • Family 038 The theorem shown was selected from shared wording with OpenAI’s description. Atlas records no review confirming that it is the theorem the description means. Open the form

State the result in Lean

  • Family 038 The release has no Lean statement for this family. Open the form