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math.NA2018
Fast SGL Fourier transforms for scattered data
Christian Wülker
Spherical Gauss-Laguerre (SGL) basis functions, i. e., normalized functions of the type , , $L_{n…
cs.DC2018
Parallelization of the FFT on SO(3)
Denis-Michael Lux, Christian Wülker, Gregory S. Chirikjian
In this paper, a work-optimal parallelization of Kostelec and Rockmore's well-known fast Fourier transform and its inverse on the three-dimensional rotation group SO(3) is designed…