The product of two high-frequency Graph Laplacian eigenfunctions is smooth.
Stefan SteinerbergerPublished in: Discret. Math. (2023)
Keyphrases
- high frequency
- graph laplacian
- low frequency
- random walk
- laplace beltrami
- spectral clustering
- spectral analysis
- weighted graph
- basis functions
- euclidean space
- kernel machines
- high resolution
- subband
- wavelet transform
- manifold structure
- neighborhood graph
- heat kernel
- wavelet coefficients
- semi supervised learning
- discrete wavelet transform
- pointwise
- riemannian manifolds
- image data
- point cloud
- shape analysis
- image compression
- labeled and unlabeled data
- computer vision