Geodesic
The signless Laplacian separator of graphs
The electronic journal of linear algebra, Tome 22 (2011), pp. 151-160.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: The signless Laplacian separator of a graph is defined as the difference between the largest eigenvalue and the second largest eigenvalue of the associated signless Laplacian matrix.In this paper, we determine the maximum signless Laplacian separators of unicyclic, bicyclic and tricyclic graphs with given order.
Classification : 15A18, 05C50
Keywords: signless Laplacian, separator, c-cyclic graphs 
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     author = {You, Zhifu and Liu, Bolian},
     title = {The signless {Laplacian} separator of graphs},
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You, Zhifu; Liu, Bolian. The signless Laplacian separator of graphs. The electronic journal of linear algebra, Tome 22 (2011), pp. 151-160. http://geodesic.mathdoc.fr/item/ELA_2011__22__a68/