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Minors

Provides functions for computing minors of a graph.

contracted_edge(G, edge[, self_loops])	Returns the graph that results from contracting the specified edge.
contracted_nodes(G, u, v[, self_loops])	Returns the graph that results from contracting u and v.
identified_nodes(G, u, v[, self_loops])	Returns the graph that results from contracting u and v.
quotient_graph(G, node_relation[, …])	Returns the quotient graph of G under the specified equivalence relation on nodes.