Results 21 to 30 of about 1,217,256 (282)

Rainbow Connection Number and Connected Dominating Sets [PDF]

open access: yesElectronic Notes in Discrete Mathematics, 2011
AbstractThe rainbow connection number of a connected graph is the minimum number of colors needed to color its edges, so that every pair of its vertices is connected by at least one path in which no two edges are colored the same. In this article we show that for every connected graph on n vertices with minimum degree δ, the rainbow connection number ...
L. Sunil Chandran   +3 more
openaire   +6 more sources

Connected Dominating Sets in Triangulations

open access: yesCoRR, 2023
A dominating set of a graph G is connected if it induces a connected graph in G. For planar triangulations, it has been known since 1990 that every n-vertex triangulation admits a connected dominating set of size at most n/2 − 1, and no improvement to this bound was known for over three decades.
Bose, Prosenjit   +4 more
openaire   +5 more sources

Connected 2- Dominating Sets and Connected 2- Domination Polynomials of the Complete Bipartite Graph k_(2,m)

open access: yesRatio Mathematica, 2022
Let  be a simple graph.Let  be the family of connected 2 dominating sets in with cardinality  and |.Then the polynomial is called the 2 domination polynomial of  where is the connected 2  domination number of Let  be the family of connected 2 dominating ...
Y.A. Shiny, Anithababy T
doaj   +1 more source

Bridge domination in fuzzy graphs [PDF]

open access: yesJournal of Fuzzy Extension and Applications, 2023
In communication networks, strong connectivity between nodes is critical. The failure of strong connectivity between nodes may jeopardize the network’s stability. In fuzzy graphs, various dominating sets using strong edges are identified to avoid network
Sivasankar Shanmugam   +2 more
doaj   +1 more source

Connected End Anti-Fuzzy Equitable Dominating Set In Anti-Fuzzy Graphs

open access: yesRatio Mathematica, 2023
In this paper, the notion of connected end anti-fuzzy equitable dominating set of an anti-fuzzy graph is discussed. The connected end anti-fuzzy equitable domination number for some standard graphs are obtained.
Janofer K, S.Firthous Fatima
doaj   +1 more source

Enumerating Connected Dominating Sets

open access: yesCoRR, 2022
The question to enumerate all inclusion-minimal connected dominating sets in a graph of order $n$ in time significantly less than $2^n$ is an open question that was asked in many places. We answer this question affirmatively, by providing an enumeration algorithm that runs in time $\mathcal{O}(1.9896^n)$, using polynomial space only.
Faisal N. Abu-Khzam   +4 more
openaire   +2 more sources

Connected domination in grid graphs

open access: yesCoRR, 2021
44 ...
Masahisa Goto, Koji M. Kobayashi
openaire   +2 more sources

Triple Connected Domination Number of a Graph [PDF]

open access: yes, 2012
The concept of triple connected graphs with real life application was introduced by considering the existence of a path containing any three vertices of a graph G.
Selvam Avadayappan   +7 more
core   +1 more source

The Forcing Domination Number of Hamiltonian Cubic Graphs [PDF]

open access: yes, 2009
The authors presented a sequence of Hamiltonian cubic graphs whose domination numbers are sharp and in this paper we study forcing domination number for those ...
H. Abdollahzadeh Ahangar   +3 more
core   +1 more source

Weakly connected domination stable trees [PDF]

open access: yes, 1983
summary:A dominating set $D\subseteq V(G)$ is a {\it weakly connected dominating set} in $G$ if the subgraph $G[D]_w=(N_G[D],E_w)$ weakly induced by $D$ is connected, where $E_w$ is the set of all edges having at least one vertex in $D$.
Lemańska, Magdalena   +5 more
core   +1 more source

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