structure

Functions

articulation_nodes(k)	Return a list of articulation nodes or cut vertices.
bridges(k)	Return a set of bridges of k.
cut_edges(k)
cut_vertices(k)
edges(k, **endpoint_attributes)	Return a list of (ordered) edges/strands of the diagram.
kink_region_iterator(k[, of_node])	An iterator (generator) over regions of kinks/loops.
kinks(k)	Return a set of loops of k.
loops(k)	Return a set of loops of k.
number_of_edges(k)	Return the number of strands of the diagram.
parallel_arcs(k)	Return a set of tuples, each tuple consists of arcs that are parallel.
path_from_endpoint(k, endpoint)	Return the path (edge/strand or part of an edge/strand) starting from the endpoint.