Abstract
We explicitly define a star product on the spherical harmonics using the Moyal star product on ℝ6, and a polarization equation allowing its restriction on S 2.
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Molin, P. A star product on the spherical harmonics. Lett Math Phys 38, 227–236 (1996). https://doi.org/10.1007/BF00398348
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DOI: https://doi.org/10.1007/BF00398348