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 14220

Commutative rings, modules, ideals, homological algebra, computational aspects, invariant theory, connections to algebraic geometry and combinatorics.

15 votes
1 answer
4k views

is residue field ever flat over its local ring?

Let R be a local ring with maximal ideal m and residue field k. Is k ever flat over R? What conditions are needed on R? Sorry, it's not a very profound question. It came up in a derived functor ca …
Luke Wolcott's user avatar
6 votes
1 answer
1k views

reference for p-local and p-complete integers

Can anyone suggest a good thorough reference for $p$-localization and $p$-completion of the integers? I'm an algebraic topologist who's found himself washed up without any intuition. In particular, …
Luke Wolcott's user avatar