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Oct
31
accepted Reference for Kirchhoff's Circuit Laws
Oct
31
asked Reference for Kirchhoff's Circuit Laws
Apr
18
awarded  Popular Question
Mar
17
awarded  Nice Question
Oct
13
awarded  Popular Question
Oct
9
awarded  Notable Question
Jul
2
awarded  Curious
Oct
10
comment Reference for the polar parameterization of quaternions
@Trimok: Perfect, thank you!
Oct
10
accepted Reference for the polar parameterization of quaternions
Oct
9
asked Reference for the polar parameterization of quaternions
Jul
4
awarded  Nice Question
Jul
2
comment How to evaluate this sum of coupling coefficients?
Specifically: $$n \in \left[0,\infty\right)$$ $$l,l_1,l_2,\lambda_1,\lambda_2 \in \left[0,n\right]$$ $$m \in \left[-l,l\right]$$ $$m_1 \in \left[-l_1,l_1\right]$$ $$m_2 \in \left[-l_2,l_2\right]$$ $$\mu_1 \in \left[-\lambda_1,\lambda_1\right]$$ $$\mu_2 \in \left[-\lambda_2,\lambda_2\right]$$ ($n$ is an even integer, all other indices are integers)
Jul
1
awarded  Promoter
Jun
26
comment How to evaluate this sum of coupling coefficients?
@Vibert: $n \geq 0$ is an even integer, $0 \leq l \leq n$ is an integer, all other indices take integer values and their limits follow from the definition of the CG coefficients and 6j symbols. Sorry about not stating that before.
Jun
25
asked How to evaluate this sum of coupling coefficients?
Feb
13
awarded  Tumbleweed
Dec
13
awarded  Popular Question
May
18
awarded  Yearling
Mar
14
comment General procedure for Clebsch-Gordan expansions
Thank you,I need to find the analogous equation that you gave for the spherical harmonics above, for harmonic functions on $S^3$; do you know of a book/paper where I can find the derivation you mentioned?
Mar
14
accepted General procedure for Clebsch-Gordan expansions