Results 31 to 40 of about 11,404 (180)

Unicyclic graphs with equal Laplacian energy [PDF]

open access: yesLinear and Multilinear Algebra, 2013
11 pages, 11 figures, slightly modified version of Theorem 1 when compared with original ...
Eliseu Fritscher   +2 more
openaire   +4 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

Laplacian Energy of Graphs

open access: yesپژوهش‌های ریاضی, 2020
hamideh Aram   +2 more
doaj   +2 more sources

Vertex weighted Laplacian Energy of union of graphs [PDF]

open access: yesComputer Science Journal of Moldova, 2018
The vertex weighted Laplacian energy with respect to the vertex weight $w$ of a graph $G$ with $n$ vertices is defined as ~$LE_w(G)=\sum\limits_{i=1}^n|\mu_i-\bar{w}|$, where ${{\mu }_{1}},{{\mu }_{2}},...,{{\mu }_{n}}$ are the Laplacian eigenvalues of ...
Nilanjan De
doaj   +2 more sources

On a conjecture of Laplacian energy of trees [PDF]

open access: yesDiscrete Mathematics, Algorithms and Applications, 2021
Let [Formula: see text] be a simple graph with [Formula: see text] vertices, [Formula: see text] edges having Laplacian eigenvalues [Formula: see text]. The Laplacian energy LE[Formula: see text] is defined as LE[Formula: see text], where [Formula: see text] is the average degree of [Formula: see text]. Radenković and Gutman conjectured that among all
Hilal A. Ganie   +2 more
openaire   +2 more sources

On distance Laplacian energy in terms of graph invariants [PDF]

open access: yes, 2023
summary:For a simple connected graph $G$ of order $n$ having distance Laplacian eigenvalues $ \rho ^{L}_{1}\geq \rho ^{L}_{2}\geq \cdots \geq \rho ^{L}_{n}$, the distance Laplacian energy ${\rm DLE} (G)$ is defined as ${\rm DLE} (G)=\sum _{i=1}^{n}|\rho ^
Rather, Bilal A.   +3 more
core   +1 more source

Novel Concept of Energy in Bipolar Single-Valued Neutrosophic Graphs with Applications

open access: yesAxioms, 2021
The energy of a graph is defined as the sum of the absolute values of its eigenvalues. Recently, there has been a lot of interest in graph energy research.
Siti Nurul Fitriah Mohamad   +3 more
doaj   +1 more source

Local Energy Estimates for the Fractional Laplacian [PDF]

open access: yesSIAM Journal on Numerical Analysis, 2021
The integral fractional Laplacian of order $s \in (0,1)$ is a nonlocal operator. It is known that solutions to the Dirichlet problem involving such an operator exhibit an algebraic boundary singularity regardless of the domain regularity. This, in turn, deteriorates the global regularity of solutions and as a result the global convergence rate of the ...
Juan Pablo Borthagaray   +2 more
openaire   +2 more sources

Signless Laplacian energy, distance Laplacian energy and distance signless Laplacian spectrum of unitary addition Cayley graphs [PDF]

open access: yesLinear and Multilinear Algebra, 2021
In this paper we compute bounds for signless Laplacian energy, distance signless Laplacian eigenvalues and signless Laplacian energy of unitary addition Cayley graph G_{n}. We also obtain distance Laplacian eigenvalues and distance Laplacian energy of G_{n}.
P., Naveen, A. V, Chithra
openaire   +2 more sources

Bounds on Energy and Laplacian Energy of Graphs [PDF]

open access: yesJournal of the Indonesian Mathematical Society, 2017
Let G be simple graph with n vertices and m edges. The energy E(G) of G, denotedby E(G), is dened to be the sum of the absolute values of the eigenvalues of G. Inthis paper, we present two new upper bounds for energy of a graph, one in terms ofm,n and another in terms of largest absolute eigenvalue and the smallest absoluteeigenvalue.
Sridhara, G., Kanna, Rajesh M. R.
openaire   +2 more sources

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