Results 11 to 20 of about 1,315,432 (182)

Exponential growth and the spectrum of the Laplacian [PDF]

open access: yesProceedings of the American Mathematical Society, 1981
Conditions are given on a noncompact manifold which allow one to conclude that 0 is in the spectrum of the Laplacian on M M
Robert Brooks
openaire   +3 more sources

The spectrum of the Laplacian of Kähler manifolds [PDF]

open access: yesProceedings of the American Mathematical Society, 1980
We strengthen some results on the spectrum of the Laplacian for 0- and 1-forms [ 8 ], [ 9 ] on Kähler manifolds and give some new results for the 2-forms.
Chen, Bang-Yen, Vanhecke, Lieven
openaire   +2 more sources

On the Fučík spectrum of the Laplacian on a torus [PDF]

open access: yesJournal of Functional Analysis, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
E. Massa, B. Ruf
openaire   +3 more sources

The signless Laplacian matrix of hypergraphs [PDF]

open access: yesSpecial Matrices, 2022
In this article, we define signless Laplacian matrix of a hypergraph and obtain structural properties from its eigenvalues. We generalize several known results for graphs, relating the spectrum of this matrix to structural parameters of the hypergraph ...
Cardoso Kauê, Trevisan Vilmar
doaj   +2 more sources

The Laplacian spectrum of weighted composite networks and the applications

open access: yesAIP Advances
The topological properties of the networks can be described by the Laplacian spectra, but resolving the Laplacian spectra of networks poses difficulties. In this study, a novel approach for solving the Laplacian spectrum of weighted composite networks is
Jian Zhu   +3 more
doaj   +2 more sources

The spectrum of the periodic p-Laplacian

open access: yesJournal of Differential Equations, 2007
New properties of the spectrum \(\sigma\) are determined for the boundary value problems {\parindent6.5mm \begin{itemize}\item[(i)] \(-\Delta_p u= (\lambda- q(x))|u|^{p-1}\text{sgn\,}u\), \(p> 1\), \(x\in(0,\pi_p)\) with periodic boundary conditions \item[(ii)] \(u(0)= u(\pi_p)\), \(u'(0)= u'(\pi_p)\), \(q(x)\in C^1[0,\pi_p]\), \(\lambda\in \mathbb R\),
Binding, Paul A., Rynne, Bryan P.
openaire   +3 more sources

The Laplacian Spectrum of a Graph

open access: yesSIAM Journal on Matrix Analysis and Applications, 1990
Let G be a graph. The Laplacian matrix $L(G) = D(G) - A(G)$ is the difference of the diagonal matrix of vertex degrees and the 0-1 adjacency matrix. Various aspects of the spectrum of $L(G)$ are investigated. Particular attention is given to multiplicities of integer eigenvalues and to the effect on the spectrum of various modifications of G.
Robert Grone   +2 more
openaire   +2 more sources

On the Spectrum of Laplacian Matrix [PDF]

open access: yesMathematical Problems in Engineering, 2021
Let G be a simple graph of order n . The matrix ℒ
Akbar Jahanbani   +2 more
openaire   +2 more sources

Disjoint unions of complete graphs characterized by their Laplacian spectrum [PDF]

open access: yes, 2009
International audienceA disjoint union of complete graphs is in general not determined by its Laplacian spectrum. We show in this paper that if we only consider the family of graphs without isolated vertex then a disjoint union of complete graphs is ...
Boulet, Romain
core   +7 more sources

The Laplacian spectrum of graphs [PDF]

open access: yes, 2001
In this thesis we investigate the spectrum of the Laplacian matrix of a graph. Although its use dates back to Kirchhoff, most of the major results are much more recent. It is seen to reflect in a very natural way the structure of the graph, particularly those aspects related to connectedness.
Newman, Michael William
openaire   +2 more sources

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