Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 56878

For questions about sheaves on a topological space.

3 votes
Accepted

What is the geometric description of the set of isomorphism class of $G$-torsors over a site...

You should read Section 4.5 of Olsson's book Algebraic Spaces and Stacks. The notion of a site is a piece of category theory with no intrinsic geometry, so it doesn't really make sense to ask for a …
dorebell's user avatar
  • 3,058
2 votes
0 answers
266 views

Relationship between coherent toposes/coherent logic and coherent sheaves

I've heard it claimed that the adjective "coherent" in logic/topos theory (i.e. coherent logic, coherent toposes, coherent categories) was adopted to fit in with the terminology of coherent sheaves in …