A New Method of Quantifying the Complexity of Fractal Networks

There is a large body of research devoted to identifying the complexity of structures in networks. In the context of network theory, a complex network is a graph with nontrivial topological features—features that do not occur in simple networks, such as lattices or random graphs, but often occur in...

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Main Authors: Matej Babič, Dragan Marinković, Miha Kovačič, Branko Šter, Michele Calì
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Fractal and Fractional
Subjects:
Online Access:https://www.mdpi.com/2504-3110/6/6/282
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author Matej Babič
Dragan Marinković
Miha Kovačič
Branko Šter
Michele Calì
author_facet Matej Babič
Dragan Marinković
Miha Kovačič
Branko Šter
Michele Calì
author_sort Matej Babič
collection DOAJ
description There is a large body of research devoted to identifying the complexity of structures in networks. In the context of network theory, a complex network is a graph with nontrivial topological features—features that do not occur in simple networks, such as lattices or random graphs, but often occur in graphs modeling real systems. The study of complex networks is a young and active area of scientific research inspired largely by the empirical study of real-world networks, such as computer networks and logistic transport networks. Transport is of great importance for the economic and cultural cooperation of any country with other countries, the strengthening and development of the economic management system, and in solving social and economic problems. Provision of the territory with a well-developed transport system is one of the factors for attracting population and production, serving as an important advantage for locating productive forces and providing an integration effect. In this paper, we introduce a new method for quantifying the complexity of a network based on presenting the nodes of the network in Cartesian coordinates, converting to polar coordinates, and calculating the fractal dimension using the ReScaled ranged (R/S) method. Our results suggest that this approach can be used to determine complexity for any type of network that has fixed nodes, and it presents an application of this method in the public transport system.
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spelling doaj.art-82fb523f58004311aa180b06aa104bd02023-11-23T16:42:06ZengMDPI AGFractal and Fractional2504-31102022-05-016628210.3390/fractalfract6060282A New Method of Quantifying the Complexity of Fractal NetworksMatej Babič0Dragan Marinković1Miha Kovačič2Branko Šter3Michele Calì4Faculty of Information Studies, 8000 Novo Mesto, SloveniaDepartment of Structural Mechanics and Analysis, Technical University Berlin, 10623 Berlin, GermanyŠtore Steel Ltd., Železarska cesta 3, 3220 Štore, SloveniaFaculty of Computer and Information Science, University of Ljubljana, 1000 Ljubljana, SloveniaDepartment of Electric, Electronics and Computer Engineering, University of Catania, 95125 Catania, ItalyThere is a large body of research devoted to identifying the complexity of structures in networks. In the context of network theory, a complex network is a graph with nontrivial topological features—features that do not occur in simple networks, such as lattices or random graphs, but often occur in graphs modeling real systems. The study of complex networks is a young and active area of scientific research inspired largely by the empirical study of real-world networks, such as computer networks and logistic transport networks. Transport is of great importance for the economic and cultural cooperation of any country with other countries, the strengthening and development of the economic management system, and in solving social and economic problems. Provision of the territory with a well-developed transport system is one of the factors for attracting population and production, serving as an important advantage for locating productive forces and providing an integration effect. In this paper, we introduce a new method for quantifying the complexity of a network based on presenting the nodes of the network in Cartesian coordinates, converting to polar coordinates, and calculating the fractal dimension using the ReScaled ranged (R/S) method. Our results suggest that this approach can be used to determine complexity for any type of network that has fixed nodes, and it presents an application of this method in the public transport system.https://www.mdpi.com/2504-3110/6/6/282fractalnetworkcomplexityHurst exponent Hpublic transport
spellingShingle Matej Babič
Dragan Marinković
Miha Kovačič
Branko Šter
Michele Calì
A New Method of Quantifying the Complexity of Fractal Networks
Fractal and Fractional
fractal
network
complexity
Hurst exponent H
public transport
title A New Method of Quantifying the Complexity of Fractal Networks
title_full A New Method of Quantifying the Complexity of Fractal Networks
title_fullStr A New Method of Quantifying the Complexity of Fractal Networks
title_full_unstemmed A New Method of Quantifying the Complexity of Fractal Networks
title_short A New Method of Quantifying the Complexity of Fractal Networks
title_sort new method of quantifying the complexity of fractal networks
topic fractal
network
complexity
Hurst exponent H
public transport
url https://www.mdpi.com/2504-3110/6/6/282
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