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 3927

This tag is used if a reference is needed in a paper or textbook on a specific result.

53 votes
Accepted

The algebraic fundamental group of a reductive algebraic group

At Jim's request, here's an expanded version of my comments above. I will have to use some facts from the topological theory of complex algebraic varieties, but out of stubbornness I will not use any …
BCnrd's user avatar
  • 7,108
15 votes

Books on reductive groups using scheme theory

Oh my goodness, SGA3 is an absolutely fundamental reference on the theory of reductive groups. The significance of its treatment is tremendous. But it freely assumes familiarity with the theory over …
BCnrd's user avatar
  • 7,108
17 votes
Accepted

Equivalence of ordered and unordered cech cohomology.

I wrote it up for my algebraic geometry course as a 2-page handout, inspired by EGA $0_{\rm{III}}$, 11.8.7 (which isn't to say this is a canonical reference; just some written reference...).
BCnrd's user avatar
  • 7,108
6 votes
Accepted

An arithmetic highest weight theory?

Johnson, you have one of the foremost experts in the world on such matters (over general fields) just upstairs from your office. Make use of that. Many of the basic constructions work for split gr …
BCnrd's user avatar
  • 7,108