Graphs with three eigenvalues and second largest eigenvalue at most 1.
Xi-Ming ChengGary R. W. GreavesJack H. KoolenPublished in: J. Comb. Theory, Ser. B (2018)
Keyphrases
- covariance matrix
- laplacian matrix
- eigenvalues and eigenvectors
- correlation matrix
- graph theory
- graph representation
- principal components
- graph matching
- graph structure
- adjacency matrix
- random matrix theory
- graph construction
- covariance matrices
- pattern recognition
- spectral clustering
- directed graph
- eigenvalue problems
- graph partitioning
- weighted graph
- least squares