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Results tagged with steenrod-algebra
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user 84144
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Steenrod operations in etale cohomology?
For $X$ a topological space, from the short exact sequence
$$ 0 \rightarrow \mathbb{Z}/2 \rightarrow \mathbb{Z}/4 \rightarrow \mathbb{Z}/2 \rightarrow 0 $$
we get a Bockstein homomorphism
$$H^i(X …
- 17.4k