Graph theory 2 Spectral graph theory Adjoint matrix 1 Approximation error for interpolation 1 Approximation errors 1 Approximation errors for interpolation 1 Base function 1 Eigen-value 1 Eigenvalues and eigenfunctions 1 Fourier analysis 1 Functions 1 Graph base function 1 Graph basis 1 Graph basis functions (GBF) 1 Graph signal processing 1 Graphic methods 1 Interpolation 1 Kernel-based interpolation 1 Mapping theorem 1 Photomapping 1 Positive definite function 1 Positive definite functions 1 Quadrature on graph 1 Quadrature on graphs 1 Quantum walk 1 Radial basis function networks 1 Shift operators 1 Signal processing 1 Signal-processing 1 Space-frequency analyse on graph 1