Talk:Distance (graph theory)

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what happens to diameter if the graph is not connected?

[edit] pseudo-peripheral vertices in directed graphs ?

Does the given "Algorithm for finding pseudo-peripheral vertices" work also in directed graphs? If yes, do I need to use indegree or outdegree? If not, it should be mentioned that the algorithm is only for undirected graphs. 80.248.242.52 18:14, 26 December 2006 (UTC)