Mathematical Institute of the Serbian Academy of Sciences and Arts
|Title:||A walk-regular graph, cospectral to its complement, need not be strongly regular||Journal:||Discrete Mathematics||Issue Date:||1-Oct-2023||Rank:||~M22||ISSN:||0012-365X||DOI:||10.1016/j.disc.2023.113566||Abstract:||
We briefly discuss counterexamples to the conjecture of Lepović (2010) ] that a walk-regular graph, which is cospectral to its complement, has to be strongly regular.
|Keywords:||Cospectral graphs | Graph complement | Walk-regular graph||Publisher:||Elsevier|
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