Timeline for The Category of Representations of a Group
Current License: CC BY-SA 2.5
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 30, 2009 at 3:48 | comment | added | GMRA | Of course, thanks. I was thinking of formal combinations, but somehow wasn't :) | |
| Dec 30, 2009 at 3:40 | comment | added | Qiaochu Yuan | No, you don't have additive inverses. You need to allow an irreducible representation to occur with negative multiplicity. | |
| Dec 30, 2009 at 3:28 | comment | added | GMRA | Do they not form a ring in the finite group case? | |
| Dec 30, 2009 at 3:25 | history | edited | José Figueroa-O'Farrill | CC BY-SA 2.5 |
added some clarifications
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| Dec 30, 2009 at 2:46 | history | answered | José Figueroa-O'Farrill | CC BY-SA 2.5 |