Timeline for Invariants in the symmetric algebra of a module
Current License: CC BY-SA 4.0
9 events
| when toggle format | what | by | license | comment | |
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| Nov 28, 2019 at 14:29 | comment | added | Rafael Mrden | I am linking this answer here because it was very helpful to me: mathoverflow.net/questions/299900/… | |
| Sep 30, 2019 at 14:11 | answer | added | jorge vargas | timeline score: 1 | |
| Sep 20, 2019 at 6:58 | vote | accept | Rafael Mrden | ||
| Sep 19, 2019 at 16:15 | answer | added | Mark Wildon | timeline score: 4 | |
| Sep 17, 2019 at 20:58 | comment | added | Qiaochu Yuan | You can replace $\mathfrak{g}$ with a compact Lie group and use the compact form of Molien's theorem: en.wikipedia.org/wiki/Molien_series | |
| Sep 17, 2019 at 16:19 | history | edited | Abdelmalek Abdesselam |
edited tags
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| Sep 17, 2019 at 11:23 | history | edited | Rafael Mrden | CC BY-SA 4.0 |
added 13 characters in body
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| Sep 17, 2019 at 9:52 | comment | added | spin | Even for $\mathfrak{g} = \mathfrak{sl}_2(\mathbb{C})$ and $V$ irreducible, I think in general it is not obvious what is the dimension of $S^k(V)^\mathfrak{g}$, which equals the number of times the $1$-dimensional irreducible occurs as a composition factor. Of course in a given small-dimensional case you can compute the character and figure this out. See eg OEIS: here and sequences linked there. Also here | |
| Sep 17, 2019 at 8:27 | history | asked | Rafael Mrden | CC BY-SA 4.0 |