Results 1 to 10 of about 29,470 (238)

Orientable Z_n-distance magic labeling of the Cartesian product of many cycles [PDF]

open access: yesElectronic Journal of Graph Theory and Applications, 2017
The following generalization of distance magic graphs was introduced in [2]. A directed Z_n-distance magic labeling of an oriented graph $\overrightarrow{G}=(V,A)$ of order n is a bijection $\overrightarrow{\ell}\colon V \rightarrow Z_n$ with the ...
Bryan Freyberg, Melissa Keranen
doaj   +8 more sources

On distance labelings of 2-regular graphs

open access: yesElectronic Journal of Graph Theory and Applications, 2021
Let G  be a graph with |V(G)| vertices and ψ :  V(G) → {1, 2, 3, ... , |V(G)|} be a bijective function. The weight of a vertex v ∈ V(G) under ψ is wψ(v) = ∑u ∈ N(v)ψ(u).  The function ψ is called a distance magic labeling of G, if wψ(v) is a constant for
Anak Agung Gede Ngurah   +1 more
doaj   +1 more source

Orientable -distance magic regular graphs

open access: yesAKCE International Journal of Graphs and Combinatorics, 2021
Hefetz, Mütze, and Schwartz conjectured that every connected undirected graph admits an antimagic orientation (Hefetz et al., 2010). In this paper we support the analogous question for distance magic labeling. Let be an Abelian group of order .
Paweł Dyrlaga, Karolina Szopa
doaj   +1 more source

Some distance magic graphs

open access: yesAKCE International Journal of Graphs and Combinatorics, 2018
A graph G = ( V , E ) , where | V | = n and | E | = m is said to be a distance magic graph if there exists a bijection from the vertex set V to the set { 1 , 2 , … , n } such that, ∑ v ∈ N ( u ) f ( v ) = k , for all u ∈ V , which is a constant and ...
Aloysius Godinho, T. Singh
doaj   +2 more sources

Distance Magic Labeling and Two Products of Graphs [PDF]

open access: yesGraphs and Combinatorics, 2014
Let $G=(V,E)$ be a graph of order $n$. A distance magic labeling of $G$ is a bijection $\ell \colon V\rightarrow {1,...,n}$ for which there exists a positive integer $k$ such that $\sum_{x\in N(v)}\ell (x)=k$ for all $v\in V $, where $N(v)$ is the neighborhood of $v$. We introduce a natural subclass of distance magic graphs. For this class we show that
Anholcer, Marcin   +3 more
openaire   +3 more sources

A note on incomplete regular tournaments with handicap two of order n≡8(mod 16) [PDF]

open access: yesOpuscula Mathematica, 2017
A \(d\)-handicap distance antimagic labeling of a graph \(G=(V,E)\) with \(n\) vertices is a bijection \(f:V\to \{1,2,\ldots ,n\}\) with the property that \(f(x_i)=i\) and the sequence of weights \(w(x_1),w(x_2),\ldots,w(x_n)\) (where \(w(x_i)=\sum_{x_i
Dalibor Froncek
doaj   +1 more source

D-magic strongly regular graphs

open access: yesAKCE International Journal of Graphs and Combinatorics, 2020
For a set of distances D, a graph G on n vertices is said to be D-magic if there exists a bijection and a constant k such that for any vertex x, where is the D-neighbourhood set of x.
Rinovia Simanjuntak, Palton Anuwiksa
doaj   +1 more source

Distance magic labelings of hypercubes

open access: yesElectronic Notes in Discrete Mathematics, 2013
Abstract A distance magic labeling of a graph G is a bijective assignment of labels from {1, 2, …, |V (G)|} to the vertices of G such that the sum of labels on neighbors of u is the same for all vertices u. We show that the n-dimensional hypercube has a distance magic labeling for every n ≡ 2 ( mod 4 ) . It is known that this condition is
Petr Gregor, Petr Kovář
openaire   +1 more source

A Heuristic for Distance Magic Labeling

open access: yesProcedia Computer Science, 2015
AbstractA distance magic labeling of a graph G with magic constant k is a bijection λ from the V(G) into {1, 2,. . ., |V(G)|}, such that ∑u∈N(v) λ(u) = k for every vertex v. Here we present a heuristic algorithm for finding distance magic graphs and utilise it to find all distance magic graphs with at most 9 vertices.
Yasin, Fuad, Simanjuntak, Rinovia
openaire   +1 more source

Distance Magic Labeling of Generalised Mycielskian Graphs

open access: yes, 2023
In this paper, we have studied the distance magic labelling of Generalised Mycielskian of a few families of graphs.
Pawar, Ravindra, Singh, Tarkehswar
openaire   +2 more sources

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