On the Estrada index of signed graphs
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DOI: 10.2298/fil2419851s
Abstract: Let ? = (G, ?) be a signed graph on n vertices with eigenvalues ?1, ?2,..., ?n. Then, the Estrada index of ? is defined as EE(?) = ?ni=1 e?i. In this paper, we characterize… read more here.
Keywords: graphs maximum; maximum estrada; index signed; signed graphs ... See more keywords