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Neighbor Sum Distinguishing Index [PDF]

open access: yesGraphs and Combinatorics, 2012
We consider proper edge colorings of a graph G using colors of the set {1, . . . , k}. Such a coloring is called neighbor sum distinguishing if for any pair of adjacent vertices x and y the sum of colors taken on the edges incident to x is different from the sum of colors taken on the edges incident to y. The smallest value of k in such a coloring of G
Flandrin, Evelyne   +4 more
openaire   +4 more sources

Trees with Distinguishing Index Equal Distinguishing Number Plus One

open access: yesDiscussiones Mathematicae Graph Theory, 2020
The distinguishing number (index) D(G) (D′ (G)) of a graph G is the least integer d such that G has an vertex (edge) labeling with d labels that is preserved only by the trivial automorphism.
Alikhani Saeid   +3 more
doaj   +4 more sources

‎Distinguishing index of Kronecker product of two graphs [PDF]

open access: yesElectronic Journal of Graph Theory and Applications, 2021
The distinguishing index D'(G)  of a graph G is the least integer d such that G has an edge labeling with d labels that is preserved only by a trivial automorphism. The Kronecker product G x H of two graphs G and H is the graph with vertex set V(G) x V(H)
‎Saeid Alikhani, Samaneh Soltani
doaj   +2 more sources

Distinguishing Number and Distinguishing Index of the Join of Two Graphs [PDF]

open access: yesMathematics Interdisciplinary Research, 2019
The distinguishing number (index) D(G) (D'(G)) of a graph G is the least integer d such that G has an vertex labeling (edge labeling) with d labels that is preserved only by a trivial automorphism. In this paper we study the distinguishing number and the
Saeid Alikhani, Samaneh Soltani
doaj   +2 more sources

The distinguishing number and the distinguishing index of line and graphoidal graph(s)

open access: yesAKCE International Journal of Graphs and Combinatorics, 2020
The distinguishing number (index) () of a graph is the least integer such that has a vertex labeling (edge labeling) with labels that is preserved only by a trivial automorphism.
Saeid Alikhani, Samaneh Soltani
doaj   +3 more sources

The chromatic distinguishing index of certain graphs [PDF]

open access: yesAKCE International Journal of Graphs and Combinatorics, 2020
The distinguishing index of a graph , denoted by , is the least number of labels in an edge coloring of not preserved by any non-trivial automorphism. The distinguishing chromatic index of a graph is the least number such that has a proper edge coloring ...
Saeid Alikhani, Samaneh Soltani
doaj   +3 more sources

The Distinguishing Number and Distinguishing Index of the Lexicographic Product of Two Graphs

open access: yesDiscussiones Mathematicae Graph Theory, 2018
The distinguishing number (index) D(G) (D′(G)) of a graph G is the least integer d such that G has a vertex labeling (edge labeling) with d labels that is preserved only by the trivial automorphism.
Alikhani Saeid, Soltani Samaneh
doaj   +3 more sources

A Note on Neighbor Expanded Sum Distinguishing Index

open access: yesDiscussiones Mathematicae Graph Theory, 2017
A total k-coloring of a graph G is a coloring of vertices and edges of G using colors of the set [k] = {1, . . . , k}. These colors can be used to distinguish the vertices of G. There are many possibilities of such a distinction.
Flandrin Evelyne   +4 more
doaj   +3 more sources

Evaluation of netrin 1 as a new biomarker in the differentiation of psoriatic arthritis from psoriasis [PDF]

open access: yesScientific Reports
This study aimed to evaluate the utility of netrin 1, CRP (C-reactive protein), and ESR (erythrocyte sedimentation rate) biomarkers for distinguishing between psoriatic arthritis (PsA) and psoriasis.
Ahmet Kor   +6 more
doaj   +2 more sources

The Distinguishing Numbers and the Distinguishing Indexes of Cayley Graphs

open access: yesJournal of Applied and Industrial Mathematics, 2021
The distinguishing number (index) $D(G)$ ($D'(G)$) of a graph $G$ is the least integer $d$ such that $G$ has an vertex labeling (edge labeling) with $d$ labels that is preserved only by a trivial automorphism. In this paper, we investigate the distinguishing number and the distinguishing index of Cayley graphs.
Alikhani, S., Soltani, S.
openaire   +3 more sources

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