Graph Signal Processing, Gsp, Signal Processing, Spectral Analysis, Fourier Transform.
(A-λI) v = 0 where I is the identity matrix and 0 is the zero vector. The solutions to λ are the eigenvalues and solutions to v are the eigenvectors. You can watch the video at [3] to understand the concept of eigenvectors and eigenvalues. I will leave the calculation of eigenvalues and