Computing the additive degree-Kirchhoff index with the Laplacian matrix

Document Type: Research Paper


The University of New Mexico, Albuquerque, NM 87131, USA


For any simple connected undirected graph, it is well known that the Kirchhoff and multiplicative degree-Kirchhoff indices can be computed using the Laplacian matrix. We show that the same is true for the additive degree-Kirchhoff index and give a compact Matlab program that computes all three Kirchhoffian indices with the Laplacian matrix as the only input.


Main Subjects

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