Results 1 to 10 of about 96,525 (309)

Regular Colorings in Regular Graphs

open access: yesDiscussiones Mathematicae Graph Theory, 2020
An (r − 1, 1)-coloring of an r-regular graph G is an edge coloring (with arbitrarily many colors) such that each vertex is incident to r − 1 edges of one color and 1 edge of a different color.
Bernshteyn Anton   +6 more
doaj   +3 more sources

Probabilistic regular graphs [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2010
Deterministic graph grammars generate regular graphs, that form a structural extension of configuration graphs of pushdown systems. In this paper, we study a probabilistic extension of regular graphs obtained by labelling the terminal arcs of the graph ...
Christophe Morvan, Nathalie Bertrand
doaj   +5 more sources

End-regularity of generalized bicycle graph

open access: yesAKCE International Journal of Graphs and Combinatorics, 2020
A graph G is called End-regular, if every endomorphism of G is regular as a monoid. In this article, we investigate End-regularity of bicycle graphs.
A. Rajabi, A. Erfanian, A. Azimi
doaj   +2 more sources

The construction of all nonisomorphic minimum vertex extensions of the graph by the method of canonical representatives [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2021
A graph $G = (V, \alpha)$ is called \textit{primitive} if there exists a natural $k$ such that between any pair of vertices of the graph $G$ there is a route of length $k$. This paper considers undirected graphs with exponent 2.
Abrosimov, Mihail Borisovich   +2 more
doaj   +1 more source

On r-Edge Regular Neutrosophic Graphs [PDF]

open access: yesNeutrosophic Sets and Systems, 2023
We approach learning characteristic on a neutrosophic graph such as r-edge regular neutrosophic graph, strongly edge regular neutrosophic graph and absolute degree of vertex since a neutrosophic set 𝑁𝑆 = {〈𝑥, 𝑁𝑆𝔗(𝑥), 𝑁𝑆𝔩 (𝑥), 𝑁𝑆𝔉(𝑥)〉; 𝑥 ∈ 𝑋} of a ...
M. Kaviyarasu
doaj   +1 more source

On families of 2-nearly Platonic graphs

open access: yesElectronic Journal of Graph Theory and Applications, 2022
A 2-nearly Platonic graph of type (k|d) is a k-regular planar graph with f faces, f − 2 of which are of size d and the remaining two are of sizes d1, d2, both different from d. Such a graph is called balanced if d1 = d2.
Dalibor Froncek   +3 more
doaj   +1 more source

On regular spherical fuzzy graph [PDF]

open access: yesJournal of Hyperstructures, 2023
A spherical fuzzy set is an advanced extension of clas-sical fuzzy set in which it has an added advantage to deal with awider sense of applicability in uncertain situations. In this paper,regular spherical fuzzy graphs and totally regular spherical fuzzy
B. Mohamed Harif, NAZEERA BEGAM
doaj   +1 more source

Antifactors of regular bipartite graphs [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2020
Let $G=(X,Y;E)$ be a bipartite graph, where $X$ and $Y$ are color classes and $E$ is the set of edges of $G$. Lov\'asz and Plummer \cite{LoPl86} asked whether one can decide in polynomial time that a given bipartite graph $G=(X,Y; E)$ admits a 1-anti ...
Hongliang Lu, Wei Wang, Juan Yan
doaj   +1 more source

On Subtree Number Index of Generalized Book Graphs, Fan Graphs, and Wheel Graphs

open access: yesJournal of Mathematics, 2021
With generating function and structural analysis, this paper presents the subtree generating functions and the subtree number index of generalized book graphs, generalized fan graphs, and generalized wheel graphs, respectively.
Daoqiang Sun   +4 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

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