Connected digraph proof, Prove Let D be a nontrivial

Connected digraph proof

Assignment Help Mathematics

Reference no: EM13123380

Prove Let D be a nontrivial connected digraph. Then D is Eulerian if and only if od(v)=id(v) for every vertex v of D.

Od means the outdegree of a vertex v of a digraph D. (is the number of vertices of D that are adjacent from v.

id means the indegree of a vertex v of a digraph D.( is the number of vertices of D adjacent to v.

degv=odv+idv

Reference no: EM13123380

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