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Some distance magic graphs [PDF]

open access: yesAKCE International Journal of Graphs and Combinatorics, 2018
A graph , where and is said to be a distance magic graph if there exists a bijection from the vertex set to the set such that, , for all , which is a constant and independent of , where is the open neighborhood of the vertex .
Aloysius Godinho
exaly   +5 more sources

Orientable -distance magic regular graphs [PDF]

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   +2 more sources

Union of Distance Magic Graphs

open access: yesDiscussiones Mathematicae Graph Theory, 2017
A distance magic labeling of a graph G = (V,E) with |V | = n is a bijection ℓ from V to the set {1, . . . , n} such that the weight w(x) = ∑y∈NG(x) ℓ(y) of every vertex x ∈ V is equal to the same element μ, called the magic constant.
Cichacz Sylwia, Nikodem Mateusz
doaj   +2 more sources

The Distance Magic Index of a Graph

open access: yesDiscussiones Mathematicae Graph Theory, 2018
Let G be a graph of order n and let S be a set of positive integers with |S| = n. Then G is said to be S-magic if there exists a bijection ϕ : V (G) → S satisfying ∑x∈N(u)ϕ(x) = k (a constant) for every u ∈ V (G). Let α(S) = max{s : s ∈ S}.
Godinho Aloysius   +2 more
doaj   +3 more sources

Distance Magic Cartesian Products of Graphs

open access: yesDiscussiones Mathematicae Graph Theory, 2016
A distance magic labeling of a graph G = (V,E) with |V | = n is a bijection ℓ : V → {1, . . . , n} such that the weight of every vertex v, computed as the sum of the labels on the vertices in the open neighborhood of v, is a constant.
Cichacz Sylwia   +3 more
doaj   +3 more sources

Orientable ℤN-Distance Magic Graphs

open access: yesDiscussiones Mathematicae Graph Theory, 2019
Let G = (V, E) be a graph of order n. A distance magic labeling of G is a bijection ℓ: V → {1, 2, . . ., n} for which there exists a positive integer k such that ∑x∈N(v)ℓ(x) = k for all v ∈ V, where N(v) is the open neighborhood of v.
Cichacz Sylwia   +2 more
doaj   +4 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
Marcin Anholcer   +2 more
exaly   +4 more sources

Distance magic circulant graphs

open access: yesDiscrete Mathematics, 2016
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sylwia Cichacz, Dalibor Fronček
exaly   +3 more sources

On constant sum partitions and applications to distance magic-type graphs

open access: yesAKCE International Journal of Graphs and Combinatorics, 2020
Let be an additive abelian group of order and let be a partition of where A constant sum partition (or -sum partition) of is a pairwise disjoint union of subsets such that and for some fixed and every In 2009, Kaplan, Lev, and Roditty proved that a 0-sum
Bryan Freyberg
exaly   +2 more sources

Group distance magic and antimagic graphs [PDF]

open access: yesElectronic Notes in Discrete Mathematics, 2015
Final ...
Sylwia Cichacz   +2 more
exaly   +4 more sources

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