You may be interested in [1] where they go to a great extend to show that the convolution operation that we consider in DL is the dual of fourier series [2]. [

You may be interested in [1] where they go to a great extend to show that the convolution operation that we consider in DL is the dual of fourier series [2]. [1] https://geometricdeeplearning.com https://geometricdeeplearning.com [2] https://arxiv.org/pdf/2104.13478.pdf https://arxiv.org/pdf/2104.13478.pdf page 27 (23 if you count book pages).