# Generalized Fourier-Bessel operator and almost-periodic interpolation and approximation

23 Nov 2016Jean-Paul GauthierDario Prandi

We consider functions $f$ of two real variables, given as trigonometric functions over a finite set $F$ of frequencies. This set is assumed to be closed under rotations in the frequency plane of angle $\frac{2k\pi}{M}$ for some integer $M$... (read more)

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