Results 31 to 40 of about 696,277 (238)

The harmonic index of subdivision graphs [PDF]

open access: yesTransactions on Combinatorics, 2017
‎The harmonic index of a graph $G$ is defined as the sum of the weights‎ ‎$frac{2}{deg_G(u)+deg_G(v)}$ of all edges $uv$‎ ‎of $G$‎, ‎where $deg_G(u)$ denotes the degree of a vertex $u$ in $G$‎. ‎In this paper‎, ‎we study the harmonic index of subdivision
Bibi Naimeh Onagh
doaj   +1 more source

Rainbow game domination subdivision number of a graph [PDF]

open access: yesRomanian Journal of Mathematics and Computer Science, 2014
The rainbow game domination subdivision number of a graph G is defined by the following game. Two players D and A, D playing first, alternately mark or subdivide an edge of G which is not yet marked nor subdivided.
J. Amjadi
doaj  

DOMINATION NUMBER AND IDENTIFYING CODE NUMBER OF THE SUBDIVISION GRAPHS [PDF]

open access: yesJournal of Algebraic Systems
‎Let $G=(V‎, ‎E)$ be a simple graph‎. ‎A set $C$ of vertices of $G$ is an identifying code of $G$ if for every two vertices $x$ and $y$ the sets $N_{G}[x] \cap C$ and $N_{G}[y] \cap C$ are non-empty and different‎.
Somaiya Ahmadi   +2 more
doaj   +1 more source

Degree-Based Topological Indices of Generalized Subdivision Double-Corona Product

open access: yesJournal of Chemistry, 2022
Graph operations play an important role in constructing complex network structures from simple graphs. Computation of topological indices of these complex structures via graph products is an important task.
Ying Wang   +5 more
doaj   +1 more source

Gaussian Tribonacci R-Graceful Labeling of Some Tree Related Graphs

open access: yesRatio Mathematica, 2022
Let r be any natural number. An injective function , where  is the Gaussian Tribonacci number in the Gaussian Tribonacci sequence is said to be Gaussian Tribonacci r-graceful labeling if the induced edge labeling such that  is bijective.
K Sunitha, M Sheriba
doaj   +1 more source

Further results on (1,0,0)-F-Face magic mean graphs [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2020
A (1,0,0)-F-Face magic mean labeling is an assignment of labels to the vertices of planar graph such that the mean weight of each face including an exterior face is constant.
A. Meena Kumari, S. Arockiaraj
doaj   +1 more source

Complexity of subdivision-vertex and subdivision-edge join graphs

open access: yes, 2022
The entropy of a graph is an information-theoretic quantity which expresses the complexity of a graph. The generalized graph entropies result from applying information measures to a graph using various schemes for defining probability distributions over ...
Berberler, Zeynep Nihan
core   +1 more source

Resistance Distance and Kirchhoff Index of Generalized Subdivision-Vertex and Subdivision-Edge Corona for Graphs

open access: yesIEEE Access, 2019
Let G be a connected graph. The subdivision graph S(G) of a graph (G) is the graph obtained by inserting a new vertex into every edge of G. The set of such new vertices is denoted by I(G).
Qun Liu
doaj   +1 more source

A 10-point interpolatory recursive subdivision algorithm for the generation of parametric surfaces [PDF]

open access: yes, 1991
In this paper, an interpolatory subdivision algorithm for surfaces over arbitrary triangulations is introduced and its properties over uniform triangulations studied.
Gregory, JA, Qu, R
core   +4 more sources

Recursive subdivision algorithms for curve and surface design [PDF]

open access: yes, 1990
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.In this thesis, the author studies recursIve subdivision algorithms for curves and surfaces. Several subdivision algorithms are constructed and investigated.
Qu, Ruibin
core   +6 more sources

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