On the sum of the two largest Laplacian eigenvalues of unicyclic graphs

DOI10.1186/s13660-015-0794-1zbMath1332.05095OpenAlexW1952809588WikidataQ59434254 ScholiaQ59434254MaRDI QIDQ262463

Yirong Zheng, An Chang, Jian Xi Li

Publication date: 29 March 2016

Published in: Journal of Inequalities and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1186/s13660-015-0794-1

zbMATH Keywords

largest eigenvalueLaplacian eigenvalueunicyclic graphsum of eigenvalues

Mathematics Subject Classification ID

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

Related Items (5)

Bicyclic graphs with maximum sum of the two largest Laplacian eigenvalues ⋮ On the full Brouwer's Laplacian spectrum conjecture ⋮ On the Ky Fan $k$-norm of the $LI$-matrix of graphs ⋮ Unnamed Item ⋮ Least eigenvalue of the connected graphs whose complements are cacti

Cites Work

• Upper bounds for the sum of Laplacian eigenvalues of graphs
• Ordering (signless) Laplacian spectral radii with maximum degrees of graphs
• Spectra of graphs
• On the sum of Laplacian eigenvalues of graphs
• A note on Laplacian graph eigenvalues
• On a conjecture for the sum of Laplacian eigenvalues
• On the second largest Laplacian eigenvalues of graphs
• On the sum of the two largest Laplacian eigenvalues of trees
• On the sum of the Laplacian eigenvalues of a tree
• Bounding the sum of the largest Laplacian eigenvalues of graphs
• On the second largest Laplacian eigenvalue of trees
• Eigenvalues of the Laplacian of a graph^∗
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item

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