Results 1 to 10 of about 96,071 (258)

The rainbow connection number of the enhanced power graph of a finite group

open access: yesElectronic Journal of Graph Theory and Applications, 2023
Let G be a finite group. The enhanced power graph ΓGe of G is the graph with vertex set G and two distinct vertices are adjacent if they generate a cyclic subgroup of G. In this article, we calculate the rainbow connection number of ΓGe.
Luis A. Dupont   +2 more
doaj   +3 more sources

On the Connectivity of Enhanced Power Graphs of Finite Groups

open access: yesGraphs and Combinatorics, 2021
This paper deals with the vertex connectivity of enhanced power graph of finite group. We classify all abelian groups G such that vertex connectivity of enhanced power graph of G is 1. We derive an upper bound of vertex connectivity for the enhanced power graph of any general abelian group G.
Sudip Bera
exaly   +4 more sources

On spectrum and energies of enhanced power graphs

open access: yesMathematics Open
The enhanced power graph [Formula: see text] of a group G is a simple graph with vertex set G and two distinct vertex are adjacent if and only if they belong to the same cyclic subgroup.
Pankaj Kalita, Prohelika Das
doaj   +2 more sources

On the difference of the enhanced power graph and the power graph of a finite group

open access: yesJournal of Combinatorial Theory - Series A
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Angsuman Das, Peter Cameron
exaly   +5 more sources

Certain properties of the enhanced power graph associated with a finite group

open access: yesActa Mathematica Hungarica, 2023
The enhanced power graph of a finite group $G$, denoted by $\mathcal{P}_E(G)$, is the simple undirected graph whose vertex set is $G$ and two distinct vertices $x, y$ are adjacent if $x, y \in \langle z \rangle$ for some $z \in G$. In this article, we determine all finite groups such that the minimum degree and the vertex connectivity of $\mathcal{P}_E(
Kumar, J., Ma, X., Parveen, Singh, S.
exaly   +4 more sources

Residual-aware health prediction of power transformers via spatiotemporal graph neural networks. [PDF]

open access: yesPLoS ONE
Accurate health state prediction and timely fault detection of power transformers are critical for ensuring the reliability and resilience of modern power systems. This paper proposes a residual-aware spatiotemporal graph neural network (STGNN) framework
Peng Zeng, Gong Chu
doaj   +2 more sources

Forbidden subgraphs in enhanced power graphs of finite groups

open access: yesRevista De La Real Academia De Ciencias Exactas, Fisicas Y Naturales - Serie A: Matematicas
The enhanced power graph of a group is the simple graph whose vertex set is consisted of all elements of the group, and whose any pair of vertices are adjacent if they generate a cyclic subgroup. In this paper, we classify all finite groups whose enhanced power graphs are split and threshold.
Samir Zahirovic   +2 more
exaly   +4 more sources

Between the enhanced power graph and the commuting graph

open access: yesJournal of Graph Theory, 2022
AbstractThe purpose of this note is to define a graph whose vertex set is a finite group , whose edge set is contained in that of the commuting graph of and contains the enhanced power graph of . We call this graph the deep commuting graph of . Two elements of are joined in the deep commuting graph if and only if their inverse images in every central ...
Peter J. Cameron, Bojan Kuzma
openaire   +4 more sources

The cyclic graph (deleted enhanced power graph) of a direct product [PDF]

open access: yesInvolve, a Journal of Mathematics, 2021
Let $G$ be a finite group. Define a graph on the set $G^{\#} = G \setminus \{ 1 \}$ by declaring distinct elements $x,y\in G^{\#}$ to be adjacent if and only if $\langle x,y\rangle$ is cyclic. Denote this graph by $Δ(G)$. The graph $Δ(G)$ has appeared in the literature under the names cyclic graph and deleted enhanced power graph.
Costanzo, David G.   +4 more
openaire   +2 more sources

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