What is the Integral of the product of spherical harmonics and derivatives of spherical harmonics? More precisely, I am looking for $$\int_\Omega d\Omega\, Y_{l}^m Y_{l^\prime}^{m^\prime} \partial_\theta Y_{l^{\prime\prime}}^{m^{\prime\prime}}$$ and $$\int_\Omega d\Omega\, Y_{l}^m \partial_\theta Y_{l^\prime}^{m^\prime} \partial_\theta Y_{l^{\prime\prime}}^{m^{\prime\prime}}$$
2026-02-22 22:38:54.1771799934
Integral of the product of spherical harmonics and derivatives of spherical harmonics
103 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in SPHERICAL-HARMONICS
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