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Stiefel-Whitney classes of l-adic cohomology
Stiefel-Whitney classes l-adic cohomology
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2011/1/19
For a proper smooth variety of even dimension over a field of characteristic dif-ferent from 2 or ℓ, the second Stiefel-Whitney class of the ℓ-adic cohomology and the second Hasse-Witt cla...