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Results tagged with constructible-sheaves
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user 80242
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Higher direct image of locally constant torsion sheaf (étale cohomology)
Let's work over $\mathbf{C}$. Take a K3 surface $S$ with a fix point free involution $\sigma$ and let $X = S \times \mathbf{C}/\langle (\sigma, -1)\rangle$ and $Y = \mathbf{C}/\langle -1 \rangle \cong …
