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Lemma: Handshaking Lemma for Finite Graphs
In any finite graph \(G(V,E,\gamma)\), the sum of all the vertex degrees is equal to twice the number of edges:
\[\sum_{v\in V}\deg_G(v)=2E.\]
Table of Contents
Proofs: 1 Corollaries: 1
Mentioned in:
Proofs: 1 2 3 4
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References
Bibliography
 Aldous Joan M., Wilson Robin J.: "Graphs and Applications  An Introductory Approach", Springer, 2000