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A comment on Generalizations of Fourier Analysis.

Re:Generalizations of Fourier Analysis by Paul-Craft on Sunday April 16, 2023 @02:09AM (#35587690)
Let's not forget the graph Fourier transform: https://en.wikipedia.org/wiki/Graph_Fourier_transform
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Re:Generalizations of Fourier Analysis by enriquto on Sunday April 16, 2023 @03:06AM (#35587919)
Yes. It is the discrete analogue of spectral geometry on manifolds. A graph is a discrete manifold.
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