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Results tagged with galois-cohomology
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user 88058
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Galois invariant rational functions and base change
Let $X$ be an algebraic variety defined over a perfect field $k$, let $\bar k$ be
the algebraic closure of $k$, let $X_{\bar k}$ be the base change of $X$ over $\bar k$ and let $G ={\rm Gal}(\bar k/k) …
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