Components¶
Connectivity¶
Connected components.
| is_connected(G) | Test graph connectivity. |
| number_connected_components(G) | Return number of connected components in graph. |
| connected_components(G) | Return nodes in connected components of graph. |
| connected_component_subgraphs(G) | Return connected components as subgraphs. |
| node_connected_component(G, n) | Return nodes in connected components of graph containing node n. |
Strong connectivity¶
Strongly connected components.
| is_strongly_connected(G) | Test directed graph for strong connectivity. |
| number_strongly_connected_components(G) | Return number of strongly connected components in graph. |
| strongly_connected_components(G) | Return nodes in strongly connected components of graph. |
| strongly_connected_component_subgraphs(G) | Return strongly connected components as subgraphs. |
| strongly_connected_components_recursive(G) | Return nodes in strongly connected components of graph. |
| kosaraju_strongly_connected_components(G[, ...]) | Return nodes in strongly connected components of graph. |
| condensation(G, scc) | Returns the condensation of G. |
Weak connectivity¶
Weakly connected components.
| is_weakly_connected(G) | Test directed graph for weak connectivity. |
| number_weakly_connected_components(G) | Return the number of connected components in G. |
| weakly_connected_components(G) | Return weakly connected components of G. |
| weakly_connected_component_subgraphs(G) | Return weakly connected components as subgraphs. |
Atrracting components¶
Attracting components.
| is_attracting_component(G) | Returns True if  consists of a single attracting component. |
| number_attracting_components(G) | Returns the number of attracting components in . |
| attracting_components(G) | Returns a list of attracting components in . |
| attracting_component_subgraphs(G) | Returns a list of attracting component subgraphs from . |
Biconnected components¶
Biconnected components and articulation points.
| is_biconnected(G) | Return True if the graph is biconnected, False otherwise. |
| biconnected_components(G) | Return a generator of sets of nodes, one set for each biconnected |
| biconnected_component_edges(G) | Return a generator of lists of edges, one list for each biconnected component of the input graph. |
| biconnected_component_subgraphs(G) | Return a generator of graphs, one graph for each biconnected component of the input graph. |
| articulation_points(G) | Return a generator of articulation points, or cut vertices, of a graph. |