A Complete Characterization of Bidegreed Split Graphs with Four Distinct α-Eigenvalues
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DOI: 10.3390/sym14050899
Abstract: It is a well-known fact that a graph of diameter d has at least d+1 eigenvalues. A graph is d-extremal (resp. dα-extremal) if it has diameter d and exactly d+1 distinct eigenvalues (resp. α-eigenvalues), and… read more here.
Keywords: bidegreed split; distinct eigenvalues; split graphs; characterization bidegreed ... See more keywords