Graph Neural Networks, Deep Learning, Machine Learning, Artificial Intelligence, Gnn.
integrating the signal x weighted by the flipped filter g. Using the convolution theorem, convolution in the time domain corresponds to pointwise multiplication in the frequency domain: F{(x ∗ g)}(ξ) = F{x}(ξ) ⋅ F{g}(ξ) Therefore, we can filter a signal by multiplying its Fourier transform with the