Results 41 to 50 of about 609,440 (119)

Students’ Use of Graphs in Understanding the Concepts of Derivative

Southeast Asian Mathematics Education Journal, 2020
Previous research showed that visual utilisation in mathematics classrooms help students in understanding concepts. This study was conducted to assist educators in realising visual reasoning skills in students which can be employed in classroom practices
Haliza Abd Hamid, Noraini Idris, Ruzela Tapsir   +2 more
doaj   +1 more source

Toric Rings and Ideals of Stable Set Polytopes

Mathematics, 2019
In the present paper, we study the normality of the toric rings of stable set polytopes, generators of toric ideals of stable set polytopes, and their Gröbner bases via the notion of edge polytopes of finite nonsimple graphs and the results on their
Kazunori Matsuda, Hidefumi Ohsugi, Kazuki Shibata   +2 more
doaj   +1 more source

Multi-Agent System Supporting Automated Large-Scale Photometric Computations

Entropy, 2016
The technologies related to green energy, smart cities and similar areas being dynamically developed in recent years, face frequently problems of a computational nature rather than a technological one.
Adam Sȩdziwy, Leszek Kotulski
doaj   +1 more source

A Note on Graphs with Prescribed Orbit Structure

Entropy, 2019
This paper presents a proof of the existence of connected, undirected graphs with prescribed orbit structure, giving an explicit construction procedure for these graphs. Trees with prescribed orbit structure are also investigated.
Abbe Mowshowitz, Matthias Dehmer, Frank Emmert-Streib   +2 more
doaj   +1 more source

Convex graph covers [PDF]

Computer Science Journal of Moldova, 2015
We study some properties of minimum convex covers and minimum convex partitions of simple graphs. We establish existence of graphs with fixed number of minimum convex covers and minimum convex partitions.
Radu Buzatu, Sergiu Cataranciuc
doaj  

Routing in Unidirectional (n,k)-star graphs [PDF]

Journal of Systemics, Cybernetics and Informatics, 2006
The class of (n,k)-star graphs and their unidirectional version were introduced as generalizations of star graphs and unidirectional star graphs respectively.
Eddie Cheng, Serge Kruk
doaj  

Improved bounds on the domatic numbers of queens graphs [PDF]

Discrete Mathematics Letters
Juho Lauri
doaj   +1 more source

Use of Graph-Theoretic Models in Technological Preparation of Assembly Plant

International Journal of Advanced Studies, 2015
The article examines the existing ways of describing the structural and technological properties of the product in the process of building and repair. It turned out that the main body of work on the preparation process of assembling production uses graph-
Peter Franzevich Yurchik, Moe Ko Ko
doaj  

Xarxes semàntiques en el lèxic disponible de València. Una aproximació al lexicó bilingüe

Studia Romanica Posnaniensia, 2016
This work deals with the situation of languages in contact and explores the nature of bilingual lexicon by studying lexical availability. Based on the results published in 2010 in Lèxic disponible de València, and in relation to ‘town’ as the center of ...
M-Begoña Gómez-Devís, Francesc Llopis Rodrigo   +1 more
doaj  

The Experience of Spanish Cancer Patients and Professionals With Quality of Life Assessment in Clinical Practice. [PDF]

J Patient Exp
Arraras JI, Illarramendi JJ, Manterola A, de la Cruz S, Teijeira L, Salgado E, Lecumberri MJ, Ibañez B, Vera R.   +8 more
europepmc   +1 more source