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Results tagged with rational-points
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user 8070
1
vote
1
answer
540
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Infinite residue field extensions and algebraic closure of residue fields
Let $X$ be a $K$-scheme of finite type over a field $K$, let $L$ be an extension field of $K$, let $X_L := L \times_K X$, and let $p:X_L \rightarrow X$ be the projection. For each $x \in X_L$ we get a …
- 313
4
votes
1
answer
851
views
Closed points of field extension of k-scheme under projection
I really couldn't figure out the answer to the following question: Let $X$ be a scheme of finite type over a field $k$ and let $K$ be an extension field of $k$. Let $X_K := K \times_k X$ be the base e …
- 313