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Results tagged with compactifications
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user 82179
6
votes
Accepted
Minimal Nagata-like compactification
The following argument shows that the very best thing you could hope for does not work. I'm not sure whether I need all of my assumptions.
Claim: There does not exist a compactification funct …
- 28.7k
5
votes
Accepted
Does a flat compactification always exist?
This already fails if $S$ is regular of dimension $3$ and $\pi$ is quasi-finite. Indeed, let $X$ be a normal affine variety over $\mathbf C$ of dimension $3$ with an isolated non-Cohen–Macaulay singul …
- 28.7k