Results 31 to 40 of about 405,795 (217)

Signed Complete Graphs with Maximum Index

open access: yesDiscussiones Mathematicae Graph Theory, 2020
Let Γ = (G, σ) be a signed graph, where G is the underlying simple graph and σ E(G) → {−, +} is the sign function on the edges of G. The adjacency matrix of a signed graph has −1 or +1 for adjacent vertices, depending on the sign of the edges.
Akbari Saieed   +3 more
doaj   +1 more source

Dimensi Metrik Kuat Lokal Graf Hasil Operasi Kali Kartesian

open access: yesContemporary Mathematics and Applications (ConMathA), 2020
The strong local metric dimension is the development result of a strong metric dimension study, one of the study topics in graph theory. Some of graphs that have been discovered about strong local metric dimension are path graph, star graph, complete ...
Nurma Ariska Sutardji   +2 more
doaj   +1 more source

On the edge irregular reflexive labeling of corona product of graphs with path

open access: yesAKCE International Journal of Graphs and Combinatorics, 2021
We define a total k-labeling of a graph G as a combination of an edge labeling and a vertex labeling such that if and if where The total k-labeling is called an edge irregular reflexive k-labeling of G if every two different edges has distinct edge ...
Kooi-Kuan Yoong   +5 more
doaj   +1 more source

One-factorizations of the complete graph $K_{p+1}$ arising from parabolas

open access: yesTheory and Applications of Graphs, 2022
There are three types of affine regular polygons in AG(2, q): ellipse, hyperbola and parabola. The first two cases have been investigated in previous papers.
György Kiss   +2 more
doaj   +1 more source

DIMENSI METRIK KETETANGGAAN LOKAL GRAF HASIL OPERASI k-COMB

open access: yesContemporary Mathematics and Applications (ConMathA), 2019
Research on the local adjacency metric dimension has not been found in all operations of the graph, one of them is comb product graph. The purpose of this research was to determine the local adjacency metric dimension of k-comb product graph and level ...
Fryda Arum Pratama   +2 more
doaj   +1 more source

Graph Isomorphism Completeness for Trapezoid Graphs

open access: yesIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 2015
4 pages, 3 Postscript ...
openaire   +3 more sources

Fitch Graph Completion

open access: yes, 2023
Horizontal gene transfer is an important contributor to evolution. According to Walter M.\ Fitch, two genes are xenologs if they are separated by at least one HGT. More formally, the directed Fitch graph has a set of genes is its vertices, and directed edges $(x,y)$ for all pairs of genes $x$ and $y$ for which $y$ has been horizontally transferred at ...
Marc Hellmuth   +2 more
openaire   +3 more sources

The Coloring Graph of Complete Graphs

open access: yesThe PUMP Journal of Undergraduate Research, 2019
We study the coloring graph of the family of complete graphs and we prove that Cn(Kt) is regular, transitive, and connected when n>t. Also, we study whether Cn(Kt) is distance transitive or strongly regular, and find its diameter.
openaire   +2 more sources

Decompositions of complete graphs and complete bipartite graphs into isomorphic supersubdivision graphs

open access: yesDiscrete Mathematics, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sethuraman, G., Selvaraju, P.
openaire   +2 more sources

A note on the metric dimension of subdivided thorn graphs

open access: yesIndonesian Journal of Combinatorics, 2019
For some ordered subset W = {w1, w2, ⋯, wt} of vertices in connected graph G, and for some vertex v in G, the metric representation of v with respect to W is defined as the t-vector r(v∣W) = {d(v, w1), d(v, w2), ⋯, d(v, wt)}.
Lyra Yulianti   +2 more
doaj   +1 more source

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