First eigenvalue of nonsingular mixed unicyclic graphs with fixed number of branch vertices

DOI10.11650/tjm.20.2016.6867zbMath1357.05091OpenAlexW2525625343MaRDI QIDQ515061

Chen Ouyang, Bo Zhou

Publication date: 9 March 2017

Published in: Taiwanese Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.11650/tjm.20.2016.6867

zbMATH Keywords

first eigenvalueLaplacian matrixunicyclic graphmixed graphbranch verticessignless Laplacian eigenvalue

Mathematics Subject Classification ID

Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50)

Related Items (6)

Relations between the inertia indices of a mixed graph and those of its underlying graph ⋮ On the relation between theH-rank of a mixed graph and the matching number of its underlying graph ⋮ Relation between the \(H\)-rank of a mixed graph and the rank of its underlying graph ⋮ On the characteristic polynomials and \(H\)-ranks of the weighted mixed graphs ⋮ Relation between the Hermitian energy of a mixed graph and the matching number of its underlying graph ⋮ The relation between the H-rank of a mixed graph and the independence number of its underlying graph

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