Results 11 to 20 of about 12,767 (290)

On the Secure Total Domination Number of Graphs [PDF]

open access: yesSymmetry, 2019
A total dominating set D of a graph G is said to be a secure total dominating set if for every vertex u ∈ V ( G ) \ D , there exists a vertex v ∈ D , which is adjacent to u, such that ( D \ { v } ) ∪ { u } is a total dominating set as well.
Abel Cabrera Martínez   +2 more
openaire   +2 more sources

Total domination and total domination subdivision number of a graph and its complement

open access: yesDiscrete Mathematics, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Odile Favaron   +2 more
openaire   +3 more sources

Further Results on Total Edge-Vertex Domination

open access: yesJournal of Mathematics, 2022
Total edge-vertex domination is a new total domination-type parameter. In this paper, the author shows that determining the total edge-vertex domination number in bipartite planar graphs is NP-complete.
Abdulgani Şahin
doaj   +2 more sources

Total domination number of the conjunction of graphs

open access: yesDiscrete Mathematics, 2007
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zwierzchowski, Maciej
openaire   +2 more sources

On graphs for which the connected domination number is at most the total domination number

open access: yesDiscrete Applied Mathematics, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Schaudt, Oliver
openaire   +3 more sources

On the Total Outer k-Independent Domination Number of Graphs

open access: yesMathematics, 2020
A set of vertices of a graph G is a total dominating set if every vertex of G is adjacent to at least one vertex in such a set. We say that a total dominating set D is a total outer k-independent dominating set of G if the maximum degree of the subgraph ...
Abel Cabrera-Martínez   +3 more
doaj   +2 more sources

Bounds on the Locating-Total Domination Number in Trees

open access: yesDiscussiones Mathematicae Graph Theory, 2020
Given a graph G = (V, E) with no isolated vertex, a subset S of V is called a total dominating set of G if every vertex in V has a neighbor in S. A total dominating set S is called a locating-total dominating set if for each pair of distinct vertices u ...
Wang Kun, Ning Wenjie, Lu Mei
doaj   +2 more sources

On the total domination number of cross products of graphs

open access: yesDiscrete Mathematics, 2008
We give lower and upper bounds on the total domination number of the cross product of two graphs, γ t(G×H). These bounds are in terms of the total domination number and the maximum degree of the factors and are best possible. We further investigate cross products involving paths and cycles. We determine the exact values of γ t(G×Pn) and γ
Gravier, Sylvain   +2 more
openaire   +5 more sources

The Domination Parameters on a kind of the regular honeycomb structure [PDF]

open access: yesComputer Science Journal of Moldova, 2022
The honeycomb mesh, based on hexagonal structure, has enormous applications in chemistry and engineering. A major challenge in this field is to understand the unique properties of honeycomb structures, which depend on their properties of topology. One
Fateme Movahedi   +2 more
doaj   +1 more source

On upper bounds for total $k$-domination number via the probabilistic method [PDF]

open access: yes, 2023
summary:For a fixed positive integer $k$ and $G=(V, E)$ a connected graph of order $n$, whose minimum vertex degree is at least $k$, a set $S\subseteq V$ is a total $k$-dominating set, also known as a $k$-tuple total dominating set, if every vertex $v\in
Cruz-Suárez, Hugo   +2 more
core   +1 more source

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