Processing math: 100%

The Stacks project

Remark 7.10.7. In particular this lemma shows that if \mathcal{U} is a refinement of \mathcal{V}, and if \mathcal{V} is a refinement of \mathcal{U}, then there is a canonical identification H^0(\mathcal{U}, \mathcal{F}) = H^0(\mathcal{V}, \mathcal{F}).


Comments (2)

Comment #8572 by Alejandro González Nevado on

SS: A pair of covergins such that each refines the other induces a canonical identification of the corresponding zeroth Čech cohomologies of any presheaf of sets on the site with respect to these two coverings.

There are also:

  • 8 comment(s) on Section 7.10: Sheafification

Your email address will not be published.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).

Unfortunately JavaScript is disabled in your browser, so the comment preview function will not work.

All contributions are licensed under the GNU Free Documentation License.