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Results tagged with absolute-galois-group
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user 120592
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Recovering the Zariski topology from the Zariski topology over an extension
Let $A$ be a finitely generated $k$-algebra, and let $K$ be the algebraic
closure of $k$. I explain how to recover $spec(A)$ from $spec(A\otimes K)$.
Equivalently, I explain how to recover $spm(A)$ fr …
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