A complete characterization of graphs with exactly two positive eigenvalues.
Fang DuanQiongxiang HuangXueyi HuangZoran StanicJianfeng WangPublished in: Adv. Appl. Math. (2023)
Keyphrases
- positive and negative
- graph theoretic
- graph matching
- eigenvalues and eigenvectors
- feature extraction
- directed graph
- data sets
- series parallel
- subgraph isomorphism
- graph structures
- random graphs
- weighted graph
- bipartite graph
- covariance matrix
- object recognition
- objective function
- singular value decomposition
- pairwise
- principal components
- pattern recognition
- graph theory
- data structure
- graph model
- image segmentation
- social networks
- genetic algorithm
- data mining
- database