Results 231 to 240 of about 14,956 (263)
Some of the next articles are maybe not open access.
Domination subdivision numbers in graphs
2004A set \(S\) of vertices of a graph \(G\) is a dominating set if each vertex outside \(S\) has a neighbor in \(S\). The domination number \(\gamma(G)\) of \(G\) is the minimum cardinality of a dominating set of \(G\). An edge \(uv\) in \(G\) is subdivided if the edge \(uv\) is deleted, but a new vertex \(x\) is added, along with two new edges \(xu\) and
Favaron, Odile +2 more
openaire +2 more sources
COHERENCE ANALYSIS FOR ITERATED LINE GRAPHS OF MULTI-SUBDIVISION GRAPH
Fractals, 2020More and more attention has focused on consensus problem in the study of complex networks. Many researchers investigated consensus dynamics in a linear dynamical system with additive stochastic disturbances. In this paper, we construct iterated line graphs of multi-subdivision graph by applying multi-subdivided-line graph operation. It has been proven
MEIFENG DAI +5 more
openaire +2 more sources
Combinatorics, Probability and Computing, 1996
In 1964 Dirac conjectured that every graph with n vertices and at least 3n − 5 edges contains a subdivision of K5 We prove a weakened version with 7/2;n − 7 instead of 3n − 5. We prove that, for any prescribed vertex νo, the subdivision can be found such that νo is not one of the five branch vertices.
openaire +2 more sources
In 1964 Dirac conjectured that every graph with n vertices and at least 3n − 5 edges contains a subdivision of K5 We prove a weakened version with 7/2;n − 7 instead of 3n − 5. We prove that, for any prescribed vertex νo, the subdivision can be found such that νo is not one of the five branch vertices.
openaire +2 more sources
Degree Condition for Subdivisions of Unicyclic Graphs
Graphs and Combinatorics, 2008The authors prove the following results: Let \(H\) be any graph of order \(n\) with \(k\) vertex disjoint pieces \(H_1,\dots, H_k\), each of which contains at most one cycle. Let \(G\) be any graph of order at least \(n\) with \(\delta (G) \geq n -k \). Then \(G\) contains a cyclic subdivision of \(H\).
BABU, C, DIWAN, A
openaire +3 more sources
Antimagic labeling for subdivisions of graphs
Discrete Applied MathematicszbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire +1 more source
Spatial Subdivision of Gabriel Graph
2015Gabriel graph is one of the well-studied proximity graphs which has a wide range of applications in various research areas such as wireless sensor network, gene flow analysis, geographical variation analysis, facility location, cluster analysis, and so on. In numerous applications, an important query is to find a specific location in a Gabriel graph at
M. Z. Hossain +3 more
openaire +1 more source
Subdivisions and the chromatic index of r‐graphs
Journal of Graph Theory, 1996Let \(T_2\) be the graph obtained from the Petersen graph by first deleting a vertex and then contracting an edge incident to a vertex of degree two. We give a simple characterization of the graphs that contain no subdivision of \(T_2\). This characterization is used to show that if every planar \(r\)-graph is \(r\)-edge colorable, then every \(r ...
Kilakos, K., Shepherd, F. B.
openaire +2 more sources
Acyclic Colorings of Graph Subdivisions
2011An acyclic coloring of a graph G is a coloring of the vertices of G, where no two adjacent vertices of G receive the same color and no cycle of G is bichromatic. An acyclic k-coloring of G is an acyclic coloring of G using at most k colors. In this paper we prove that any triangulated plane graph G with n vertices has a subdivision that is acyclically ...
Debajyoti Mondal +3 more
openaire +1 more source
Integrative oncology: Addressing the global challenges of cancer prevention and treatment
Ca-A Cancer Journal for Clinicians, 2022Jun J Mao,, Msce +2 more
exaly
Subdivision Graph, Power and Line Graph of a Soft Graph
Communications in Mathematics and Applications, 2022Rajesh K. Thumbakara +2 more
openaire +1 more source

