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Results tagged with etale-cohomology
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user 80173
for questions about etale cohomology of schemes, including foundational material and applications.
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Birational morphism and first cohomology group
Let $f:X\rightarrow Y$ be a proper birational morphism of smooth projective varieties over $k=\bar k$ ($char(k)>0$). Is it true that $H^1(Y,\mathbb Z_l)\stackrel{f^*}\simeq H^1(X,\mathbb Z_l)$ ($l\neq …
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