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Internet Mapping Project
http://research.lumeta.com/ches/map/
Find out about the mathematics involved in mapping
the vast network you're currently connected to!
The Erdös Number Project
http://personalwebs.oakland.edu/~grossman/erdoshp.html
"Paul
Erdös (1913–1996), the widely-traveled and incredibly
prolific Hungarian mathematician of the highest caliber, wrote hundreds of
mathematical research papers in many different areas, many in
collaboration with others. His Erdös number is 0.
Erdös’s co-authors have Erdös number 1. People other than
Erdös who have written a joint paper with someone with Erdös
number 1 but not with Erdös have Erdös number 2, and so on."
What's your Erdös number?
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This graph is related to studies of
the small-world effect:
the fact that
"most pairs of vertices in most networks
seem to be connected by a short path''.
--
M. E. J. Newman,
The structure and
function of complex networks,
SIAM Review
45, 167-256 (2003).
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