Abstract
We deduce from Deligne's form of the Riemann hypothesis and the hard Lefschetz theoremin l-adic cohomology the corresponding facts for any “reasonable” cohomology theory, in particular for crystalline cohomology, and give some applications to algebraic cycles.
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Deligne, P.:Lectures at the International Geometry Colloquium. July 4–11, 1973 Cambridge,England
Berthelot, P.: Le théorème de Lefschetz ≪Faible≫ en Cohomologie Cristalline. To appear
Kleiman, S.: Algebraic Cycles and the Weil Conjectures, in Dix Exposés sur la Cohomologie des Schemas, pp. 359–386. Amsterdam: North-Holland 1969
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Katz, N.M., Messing, W. Some consequences of the Riemann hypothesis for varieties over finite fields. Invent Math 23, 73–77 (1974). https://doi.org/10.1007/BF01405203
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DOI: https://doi.org/10.1007/BF01405203