Results 11 to 20 of about 974,445 (260)

An interpolatory subdivision algorithm for surfaces over arbitrary triangulations [PDF]

open access: yes, 1992
In this paper, an interpolatory subdivision algorithm for surfaces over ar-bitrary triangulations is introduced and its convergence properties over nonuni-form triangulations studied.
Qu, R
core   +6 more sources

Uniform subdivision algorithms for curves and surfaces [PDF]

open access: yes, 1988
A convergence analysis for studying the continuity and differentiability of limit curves generated by uniform subdivision algorithms is presented. The analysis is based on the study of corresponding difference and divided difference algorithms.
Gregory, JA, Dyn, N, Levin, D
core   +6 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   +7 more sources

Odd edge‐colorings of subdivisions of odd graphs

open access: yesJournal of Graph Theory, 2023
AbstractAn odd graph is a finite graph all of whose vertices have odd degrees. A graph is decomposable into odd subgraphs if its edge set can be partitioned into subsets each of which induces an odd subgraph of . The minimum value of for which such a decomposition of exists is the odd chromatic index, , introduced by Pyber.
Mirko Petrusevski, Riste Skrekovski
openaire   +3 more sources

Szeged-type indices of subdivision vertex-edge join (SVE-join)

open access: yesMain Group Metal Chemistry, 2021
In this article, we compute the vertex Padmakar-Ivan (PIv) index, vertex Szeged (Szv) index, edge Padmakar-Ivan (PIe) index, edge Szeged (Sze) index, weighted vertex Padmakar-Ivan (wPIv) index, and weighted vertex Szeged (wSzv) index of a graph product ...
Asghar Syed Sheraz   +4 more
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   +6 more sources

Eternal m-security subdivision numbers in trees [PDF]

open access: yesCommunications in Combinatorics and Optimization, 2019
An eternal $m$-secure set of a graph $G = (V,E)$ is a set $S_0\subseteq V$ that can defend against any sequence of single-vertex attacks by means of multiple-guard shifts along the edges of $G$. A suitable placement of the guards is called an eternal
M. Atapour
doaj   +1 more source

Sombor Index Under Some Graph Products [PDF]

open access: yesMathematics Interdisciplinary Research, 2022
‎Let G=(V‎, ‎E) be a graph with vertex set V(G) and edge set E(G)‎. ‎The Sombor index of a graph G‎, ‎SO(G)‎, ‎is defined as ∑uv∈ E(G) √(d2u+d2v), ‎where du is the degree of vertex u in V(G)‎. ‎In the present paper‎, ‎we determine the lower bound for the
Irandokht Rezaee Abdolhosseinzadeh   +2 more
doaj   +1 more source

Nonrepetitively 3-Colorable Subdivisions of Graphs with a Logarithmic Number of Subdivisions per edge [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2021
We show that for every graph $G$ and every graph $H$ obtained by subdividing each edge of $G$ at least $\Omega(\log |V(G)|)$ times, $H$ is nonrepetitively 3-colorable. In fact, we show that  $\Omega(\log \pi'(G))$ subdivisions per edge are enough, where $\pi'(G)$ is the nonrepetitive chromatic index of $G$.
openaire   +4 more sources

Enabling and Leveraging AI in the Intelligent Edge: A Review of Current Trends and Future Directions

open access: yesIEEE Open Journal of the Communications Society, 2021
The use of AI on Smart applications and in the organization of the network edge presents a rapidly advancing research field, with a great variety of challenges and opportunities. This article aims to provide a holistic review of studies from 2019 to 2021
Tom Goethals   +2 more
doaj   +1 more source

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