Differentiable and accelerated spherical harmonic and Wigner transforms

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Matthew A. Price, Jason D. McEwen

Published: 01 Jan 2024, Last Modified: 27 Sept 2024J. Comput. Phys. 2024EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•Differentiable and accelerated spherical harmonic and Wigner transforms.•Novel Wigner d-function recursion which is stable and scalable to high resolution.•Highly efficient gradient propagation scheme for harmonic analysis.•Open sourced and professionally developed JAX software package.