Graph Sum

Author

Eric W. Weisstein
June 2, 2022

This notebook downloaded from http://mathworld.wolfram.com/notebooks/GraphTheory/GraphSum.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/GraphSum.html.

©2022 Wolfram Research, Inc. except for portions noted otherwise

Figure

Row[{g=CompleteGraph[5],"+",h=CycleGraph[5],"==",gh=GraphSum[g,h]},Spacer[1],BaseStyle->24]/.g_Graph:>StyleGraphs[g]

MatrixForm/@({mg,mh,mgh}=AdjacencyMatrix/@{g,h,gh})

mg+mh==mgh