Timeline for Sums of degrees of irreducible complex characters
Current License: CC BY-SA 3.0
17 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 6, 2014 at 7:12 | vote | accept | Sven Wirsing | ||
| Sep 6, 2014 at 7:12 | vote | accept | Sven Wirsing | ||
| Sep 6, 2014 at 7:12 | |||||
| Sep 6, 2014 at 7:10 | vote | accept | Sven Wirsing | ||
| Sep 6, 2014 at 7:12 | |||||
| Sep 6, 2014 at 7:10 | vote | accept | Sven Wirsing | ||
| Sep 6, 2014 at 7:10 | |||||
| Sep 5, 2014 at 11:09 | answer | added | Geoff Robinson | timeline score: 6 | |
| Sep 5, 2014 at 7:58 | comment | added | Geoff Robinson | (Corrected): Isaacs and Moreto have a paper about the average degree of an irreducible character. Also, while there are reasonable upper bounds for the sum, I am not sure that there are good lower bounds, part from (as you implicitly mention) groups whose characters are all realizable over $\mathbb{R}$. | |
| Sep 4, 2014 at 21:21 | comment | added | Alex B. | Note: "all irreducible characters real valued" $\neq$ "all irreducible representations defined over $\mathbb{R}$". A symplectic character does not contribute to the involution count. | |
| Sep 4, 2014 at 17:37 | history | edited | Jim Humphreys | CC BY-SA 3.0 |
edited body
|
| Sep 4, 2014 at 15:01 | answer | added | Denis Chaperon de Lauzières | timeline score: 18 | |
| Sep 4, 2014 at 14:09 | comment | added | Sven Wirsing | @Jim: I have substitue the tag as you proposed and tried to structure my question. If you want you can change it like you described (since I am new here and not so familiar with all rules). | |
| Sep 4, 2014 at 14:08 | comment | added | Sven Wirsing | @Geoff: Thanks for your hint for the upper and lower bounds. I will study this article. | |
| Sep 4, 2014 at 14:05 | history | edited | Sven Wirsing | CC BY-SA 3.0 |
edited tags
|
| Sep 4, 2014 at 13:21 | comment | added | Jim Humphreys | Side comments: It would help to document the first paragraph (and also to correct an obvious typo there), as well as the last paragraph. Maybe substitute a tag 'finite-groups' for 'abstract-algebra'? It's also desirable to isolate your main question, in the format: > text | |
| Sep 4, 2014 at 8:19 | comment | added | Geoff Robinson | Well, there is the lower bound that the sum of the degrees is at least 1 +#(involutions of G), but that is not always helpful. | |
| Sep 4, 2014 at 7:58 | comment | added | Tobias Kildetoft | Also on MSE math.stackexchange.com/questions/908422/… | |
| Sep 4, 2014 at 7:32 | review | First posts | |||
| Sep 4, 2014 at 7:42 | |||||
| Sep 4, 2014 at 7:32 | history | asked | Sven Wirsing | CC BY-SA 3.0 |