If G is a simple planar graph, does G contain a vertex of degree at most four? Prove or provide a counter example. Thanks!
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Originally Posted by meggnog If G is a simple planar graph, does G contain a vertex of degree at most four? Prove or provide a counter example. Thanks! Dear meggnog, No. The following simple planer graph has degree five in each vertex.
Last edited by Sudharaka; June 15th 2011 at 03:42 AM.
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