Search Results
| 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 gr.group-theory
Search options not deleted
user 4194
Questions about the branch of algebra that deals with groups.
6
votes
Subalgebra of a group algebra
If $A$ is the group algebra of a subgroup, then $k[G]$ will be free as a module over $A$, and that may help to rule out some cases. This is not at all an "if and only if" statement, though.
Propositi …
- 4,254
0
votes
Another group cohomology cup product question
I'm not sure what kind of answer you're hoping for: how will you describe an element of $H^4$, for example, without using cocycles?
Having said that, perhaps syzygies would help. Let $I$ denote the …
- 4,254