Graph Signal Processing, Fourier Transform, Graph Fourier Transform, Eigenvectors, Spectral Analysis.
in terms of V (the matrix of eigenvectors of A) and eigenvalues, we can say that the graph Fourier transform is the inverse of matrix V. Graph Fourier transform is equal to the inverse of matrix V of the eigenvectors of A From this, it follows that the columns of V, which are the eigenvectors of