Deligne: La conjecture de Weil I

What changed

Proved the Riemann-hypothesis component of the Weil conjectures by weight arguments.

Scientific scope

The record is Deligne’s sole-author 1974 IHÉS paper. It does not absorb Weil’s formulation, Dwork’s rationality proof, Grothendieck and collaborators’ cohomological foundations, or Deligne’s later Weil II generalizations.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is Deligne’s sole-author 1974 IHÉS paper. It does not absorb Weil’s formulation, Dwork’s rationality proof, Grothendieck and collaborators’ cohomological foundations, or Deligne’s later Weil II generalizations.

Contributors

• Pierre Deligne · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.

• Centre Mersenne record and text for Weil I
• IAS author publication page for Weil I

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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