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Representations of quivers and mixed graphs [PDF]

open access: yes, 2013
This is a survey article for "Handbook of Linear Algebra", 2nd ed., Chapman & Hall/CRC, 2014. An informal introduction to representations of quivers and finite dimensional algebras from a linear algebraist's point of view is given.
Horn, Roger A., Sergeichuk, Vladimir V.
core   +1 more source

MixedGraphinFuzzy,Neutrosophic, and Plithogenic Graphs [PDF]

open access: yesNeutrosophic Sets and Systems
Graph theory examines networks consisting of nodes (vertices) and the connections (edges) between them. Mixed graphs, which combine both undirected and directed edges, provide a versatile framework for representing relationships with symmetric and ...
Florentin Smarandache, Takaaki Fujita
doaj   +1 more source

Construction and analysis of graph models for multiprocessor interconnection networks [PDF]

open access: yesYugoslav Journal of Operations Research, 2022
A graph G can serve as a model for the Multiprocessor Interconnection Networks (MINs) in which the vertices represent the processors, while the edges represent connections between processors.
Hegde S.M., Saumya Y.M.
doaj   +1 more source

Computing Fault-Tolerant Metric Dimension of Connected Graphs

open access: yesJournal of Mathematics, 2022
For a connected graph, the concept of metric dimension contributes an important role in computer networking and in the formation of chemical structures.
Uzma Ahmad   +3 more
doaj   +1 more source

A Graph Theoretic Perspective on CPM(Rel) [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2015
Mixed states are of interest in quantum mechanics for modelling partial information. More recently categorical approaches to linguistics have also exploited the idea of mixed states to describe ambiguity and hyponym / hypernym relationships.
Daniel Marsden
doaj   +1 more source

A Study on Semi-directed Graphs for Social Media Networks

open access: yesInternational Journal of Computational Intelligence Systems, 2021
In the literature of graph theory, networks are represented as directed graphs or undirected graphs and a mixed of both combinations. In today's era of computing, networks like brain and facebook that do not belong to any of the mentioned networks ...
Sovan Samanta   +4 more
doaj   +1 more source

Exploring Ways to Improve Elementary School Statistics Education Through Analysis of Middle School Social Studies Textbooks: Focusing on Statistical Graph Teaching

open access: yesJournal of Educational Research in Mathematics, 2020
In this study, in order to explore ways that statistical graphs teaching in elementary mathematics education can be improved, first, the types of statistical graphs that appear in middle school social textbooks were examined, and second, the ...
Byungjoo Tak, Eun-Sung Ko
doaj   +1 more source

Research and Application of Hypernetwork Energy

open access: yesJisuanji kexue yu tansuo, 2021
Graph energy plays an important role in research of graph theory. Graph energy and many other similar variants have been applied in many other types of graphs, e.g., undirected graphs, oriented graphs, mixed graphs, and so on.
LIU Shengjiu, LI Tianrui, LIU Jia, XIE Peng
doaj   +1 more source

On bipartite‐mixed graphs [PDF]

open access: yesJournal of Graph Theory, 2016
Mixed graphs can be seen as digraphs that have both arcs and edges (or digons, that is, two opposite arcs). In this article, we consider the case where such graphs are bipartite.
C. Dalfó, M. A. Fiol, N. López
semanticscholar   +1 more source

Best Graph Type to Compare Discrete Groups: Bar, Dot, and Tally

open access: yesFrontiers in Psychology, 2021
Different graph types might differ in group comparison due to differences in underlying graph schemas. Thus, this study examined whether graph schemas are based on perceptual features (i.e., each graph has a specific schema) or common invariant ...
Fang Zhao, Robert Gaschler
doaj   +1 more source

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