The Stacks project

Definition 34.9.10. Let $T$ be an affine scheme. A standard fpqc covering of $T$ is a family $\{ f_ j : U_ j \to T\} _{j = 1, \ldots , n}$ with each $U_ j$ is affine, flat over $T$ and $T = \bigcup f_ j(U_ j)$.


Comments (0)

There are also:

  • 8 comment(s) on Section 34.9: The fpqc topology

Post a comment

Your email address will not be published. Required fields are marked.

In your comment you can use Markdown and LaTeX style mathematics (enclose it like $\pi$). A preview option is available if you wish to see how it works out (just click on the eye in the toolbar).

All contributions are licensed under the GNU Free Documentation License.