Fast Spherical Harmonic Analysis: a quick algorithm for generating and/or inverting full sky, high resolution CMB Anisotropy maps

Pio Francesco Muciaccia, Paolo Natoli, Nicola Vittorio

We present a fast algorithm for generating full sky, high resolution ($\sim 5^{\prime }$) simulations of the CMB anisotropy pattern. We also discuss the inverse problem, that of evaluating…