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The Laplacian spread of graphs [PDF]

open access: yesCzechoslovak Mathematical Journal, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
You, Zhifu, Liu, Bolian
openaire   +3 more sources

On Laplacian resolvent energy of graphs [PDF]

open access: yesTransactions on Combinatorics, 2023
Let $G$ be a simple connected graph of order $n$ and size $m$. The matrix $L(G)=D(G)-A(G)$ is the Laplacian matrix of $G$, where $D(G)$ and $A(G)$ are the degree diagonal matrix and the adjacency matrix, respectively. For the graph $G$, let $d_{1}\geq d_{
Sandeep Bhatnagar   +2 more
doaj   +1 more source

Graph Laplacian for image deblurring [PDF]

open access: yesETNA - Electronic Transactions on Numerical Analysis, 2021
Image deblurring is relevant in many fields of science and engineering. To solve this problem, many different approaches have been proposed and among the various methods, variational ones are extremely popular. These approaches are characterized by substituting the original problem with a minimization one where the functional is composed of two terms ...
Bianchi D.   +3 more
openaire   +3 more sources

Laplacian Fractional Revival on Graphs [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2021
We develop the theory of fractional revival in the quantum walk on a graph using its Laplacian matrix as the Hamiltonian. We first give a spectral characterization of Laplacian fractional revival, which leads to a polynomial time algorithm to check this phenomenon and find the earliest time when it occurs.
Ada Chan   +5 more
openaire   +3 more sources

Spektrum Laplace pada graf kincir angin berarah (Q_k^3)

open access: yesMajalah Ilmiah Matematika dan Statistika, 2022
Suppose that 0 = µ0 ≤ µ1 ≤ ... ≤ µn-1 are eigen values of a Laplacian matrix graph with n vertices and m(µ0), m(µ1), …, m(µn-1) are the multiplicity of each µ, so the Laplacian spectrum of a graph can be expressed as a matrix 2 × n whose line elements ...
Melly Amaliyanah   +2 more
doaj   +1 more source

A study on determination of some graphs by Laplacian and signless Laplacian permanental polynomials

open access: yesAKCE International Journal of Graphs and Combinatorics, 2023
The permanent of an n × n matrix [Formula: see text] is defined as [Formula: see text] where the sum is taken over all permutations σ of [Formula: see text] The permanental polynomial of M, denoted by [Formula: see text] is [Formula: see text] where In ...
Aqib Khan   +2 more
doaj   +1 more source

Graph Laplacian Mixture Model [PDF]

open access: yesIEEE Transactions on Signal and Information Processing over Networks, 2020
Graph learning methods have recently been receiving increasing interest as means to infer structure in datasets. Most of the recent approaches focus on different relationships between a graph and data sample distributions, mostly in settings where all available data relate to the same graph.
Hermina Petric Maretic, Pascal Frossard
openaire   +2 more sources

Learning graph Laplacian with MCP

open access: yesOptimization Methods and Software, 2023
32 ...
Yangjing Zhang   +2 more
openaire   +2 more sources

Hodge Laplacians on Graphs [PDF]

open access: yesSIAM Review, 2020
This is an elementary introduction to the Hodge Laplacian on a graph, a higher-order generalization of the graph Laplacian. We will discuss basic properties including cohomology and Hodge theory. The main feature of our approach is simplicity, requiring only knowledge of linear algebra and graph theory.
openaire   +3 more sources

Network Regression with Graph Laplacians

open access: yesJ. Mach. Learn. Res., 2021
41 pages, 13 ...
Yidong Zhou, Hans-Georg Müller
openaire   +4 more sources

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