Hi,

I wonder if there is a way in Sage to efficiently compute the diameter of a
graph. The current example I have has 100.000 vertices and 500.000 edges,
and calling diameter on it returns

"ValueError: The graph backend contains more than 65535 nodes"

Looking at
http://stackoverflow.com/questions/3038661/efficiently-finding-the-shortest-path-in-large-graphsand
http://code.google.com/p/python-graph/, I feel like Sage should be able to
do more than it currently does...

Has anyone tried to do anything in this direction?

Thanks, Christian

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