Balanced graphs Perfect graphs 10 Graphic methods 8 Perfect graph 8 Characterization 6 Graph theory 6 Bipartite graphs 4 Circular-arc graphs 4 Clique graphs 4 Clique-perfect graphs 4 Coordinated graphs 4 Directed graphs 4 Hereditary clique-Helly graphs 4 Line graph 4 Line graphs 4 0-1 matrices 2 Algorithms 2 Balanced hypergraphs 2 Circular-arc graph 2 Clustering algorithms 2 Diamond-free graphs 2 Diamonds 2 Domination 2 Forbidden subgraphs 2 Free graphs 2 K-perfect graphs 2 Mathematical programming 2 Matrix algebra 2 P4-tidy graphs 2 Polynomial approximation 2