New symmetry-based FFT estimators cut the cost of power-spectrum and bispectrum multipole measurements by roughly half while providing analytic shot-noise subtraction and an open Python package.
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Efficient estimators for power spectrum and bispectrum multipole measurements
New symmetry-based FFT estimators cut the cost of power-spectrum and bispectrum multipole measurements by roughly half while providing analytic shot-noise subtraction and an open Python package.