Results 121 to 130 of about 960 (155)

The signless Laplacian spectral radius of k-connected irregular graphs

Linear Algebra and its Applications, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ning, Wenjie   +3 more
openaire   +1 more source

On the distance signless Laplacian spectral radius and the distance signless Laplacian energy of graphs

Discrete Mathematics, Algorithms and Applications, 2018
The distance signless Laplacian spectral radius of a connected graph [Formula: see text] is the largest eigenvalue of the distance signless Laplacian matrix of [Formula: see text], defined as [Formula: see text], where [Formula: see text] is the distance matrix of [Formula: see text] and [Formula: see text] is the diagonal matrix of vertex ...
Alhevaz, Abdollah   +2 more
openaire   +1 more source

The signless Laplacian spectral radius of 2K3-free graphs

Discrete Mathematics
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Yanting Zhang, Ligong Wang
openaire   +1 more source

The signless Laplacian spectral radius of graphs on surfaces

Linear and Multilinear Algebra, 2013
Let G be an n-vertex simple graph embeddable on a surface of Euler genus γ. We present the upper bounds for the signless Laplacian spectral radius of G in terms of n and γ, with further improvements when G is an outerplanar or Halin graph.
Lihua Feng   +3 more
openaire   +1 more source

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