Graph Neural Networks, Deep Learning, Machine Learning, Artificial Intelligence, Gnn.
Eigenvectors with small eigenvalues are smooth over G and hence low frequency. Eigenvectors with large eigenvalues oscillate more rapidly and are high frequency. For a graph signal f, its graph Fourier transform ˆf is defined as: ˆf(l) = <f, ul> = ∑i f(i)ul(i) ˆf(l) represents the coefficient for