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Suliman Khan

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Preprint Oct 2026

Metric dimension and maximum eigenvalue multiplicity of graph Laplacians

We study equality between metric dimension and the maximum eigenvalue multiplicity of the Laplacian and signless Laplacian matrices. These quantities are not ordered in general. Using the standard decomposition associated with twin classes, we separate forced multiplicities from quotient-spectrum contributions. We give...

M. Alfuraidan, Suliman Khan, Lorenzo Sauras Altuzarra · 0 citations

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