Characterization of graphs with exactly two non-negative eigenvalues.
Mohammad Reza OboudiPublished in: Ars Math. Contemp. (2017)
Keyphrases
- positive and negative
- eigenvalues and eigenvectors
- covariance matrix
- graph theory
- graph theoretic
- database
- structured objects
- singular value decomposition
- graph matching
- graph model
- neural network
- laplacian matrix
- correlation matrix
- series parallel
- subgraph isomorphism
- graph representation
- bipartite graph
- principal component analysis
- graph mining
- singular values
- graph construction
- adjacency matrix
- spectral methods
- principal components
- directed graph
- pattern recognition
- genetic algorithm