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May
23
asked How to find instances when $d(a,b) = p^2$ for $p$ a prime.
May
14
awarded  Caucus
May
14
asked How to write down the maximal subgroups of $GL(9, \mathbb{C})$
May
6
awarded  Tumbleweed
May
3
accepted Galois relations between subfields
May
3
accepted Standard representation of $\frak S_4$
May
3
accepted Weights versus roots
Apr
28
accepted How to compute the weights of $\Gamma_{3,1}$ the irrep of $\mathfrak{sl}_3\Bbb C$
Apr
28
awarded  Citizen Patrol
Apr
27
asked How to compute the weights of $\Gamma_{3,1}$ the irrep of $\mathfrak{sl}_3\Bbb C$
Apr
27
comment Computing eigenvalues for $\mathrm{Sym}^2(\mathrm{Sym}^3 V))$ for $V = \Bbb C^2$
Thanks Jack, this works perfectly. I too noticed that the elements of $\mathfrak{sl}_2$ were acting like derivatives in terms of reduction of powers (it was clear that they would act via the typical derivation action on tensor products). I appreciate you taking the time to work this out for me in a very motivated manner.
Apr
27
accepted Computing eigenvalues for $\mathrm{Sym}^2(\mathrm{Sym}^3 V))$ for $V = \Bbb C^2$
Apr
27
asked Weights versus roots
Apr
27
revised Computing eigenvalues for $\mathrm{Sym}^2(\mathrm{Sym}^3 V))$ for $V = \Bbb C^2$
edited tags
Apr
27
asked Computing eigenvalues for $\mathrm{Sym}^2(\mathrm{Sym}^3 V))$ for $V = \Bbb C^2$
Apr
27
asked Branching rule restriction to $\mathrm{O}_9 \Bbb C$ from $\mathrm{GL}_9 \Bbb C$
Apr
21
awarded  Promoter
Apr
19
revised Subspaces stabilized by representations of $\mathrm O(9)$
added 94 characters in body
Apr
19
revised Subspaces stabilized by representations of $\mathrm O(9)$
added 19 characters in body; edited title
Apr
19
asked Subspaces stabilized by representations of $\mathrm O(9)$