All the Moments of the Vertex Degrees of Randomly Generated Graphs

By Doron Zeilberger

Exclusive for the Personal Journal of Ekhad and Zeilberger

Written: Nov. 30, 2003

While I love combinatorial sums, especially if one can prove them with WZ, sometimes they are an overkill, especially when computing second and higher moments of parameters of combinatorial objects, that can often be done very quickly by "double counting", alias discrete Fubini.

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