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math.CO2024
A characterization of generalized cospectrality of rooted graphs with applications in graph reconstruction
Wei Wang, Wenqiang Wen, Songlin Guo
Extending a classic result of Johnson and Newman, this paper provides a matrix characterization for two generalized cospectral graphs with a pair of generalized cospectral vertex-d…
math.CO2014★ 1 cited
A simple arithmetic criterion for graphs being determined by their generalized spectra
Wei Wang
A graph is said to be determined by its generalized spectrum (DGS for short) if for any graph , and are cospectral with cospectral complements implies that is is…