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Short sketch of Deligne’s proof of the hard Lefschetz theorem. (English) Zbl 0321.14013
Algebraic Geom., Proc. Symp. Pure Math. 29, Arcata 1974, 563-580 (1975).

MSC:
 14G99 Arithmetic problems in algebraic geometry; Diophantine geometry 14D05 Structure of families (Picard-Lefschetz, monodromy, etc.) 14F30 $$p$$-adic cohomology, crystalline cohomology