Timeline for Are there "unsociable" irreps? (Definition inside)
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 15, 2012 at 9:36 | comment | added | Hauke Reddmann | THX! So it's even in the Wiki? :-) In any case, since by accident I found LiE (www-math.univ-poitiers.fr/~maavl/LiE/form.html) I never have to annoy MO with nagging questions for practical details of Clebsch-Gordan series again. Or so I hope :-) | |
| Aug 15, 2012 at 9:29 | vote | accept | Hauke Reddmann | ||
| Aug 14, 2012 at 13:29 | comment | added | Benjamin Steinberg | Burnside did it over C and R. Steinberg (no relation to me) did it for semigroups over any field. Rieffel extended it to bialgebras. | |
| Aug 14, 2012 at 12:34 | comment | added | Frieder Ladisch | Or, to put it another way: an irrep $U$ occurs in some tensor power of $V$ if and only if $\ker(V) \leq \ker(U)$. In Isaacs' character theory book, this theorem is attributed to "Burnside-Brauer", by the way. | |
| Aug 14, 2012 at 12:02 | comment | added | Alexander Chervov | en.wikipedia.org/wiki/Faithful_representation | |
| Aug 14, 2012 at 11:54 | history | answered | Benjamin Steinberg | CC BY-SA 3.0 |