open immersion of schemes

Last modified date: <%+ tp.file.last_modified_date() %>

attachments/Pasted%20image%2020220420101029.png **

Zariski open immersions

attachments/Pasted%20image%2020220903172512.png

attachments/Pasted%20image%2020220404003257.png

Links to this page

files without tags

Unsorted/open immersion of schemes.md
etale

Any open immersion is etale.
compact object of a category

Compact objects of the derived category are typically easier to construct as we may extend them over open immersions using Thomason’s localization theorem
Mckernan AG 1

[ ] What is an open immersion?