Achieving a network structure with optimal synchronization is essential in many applications. This paper proposes an optimization algorithm for constructing a network with optimal synchronization. The introduced algorithm is based on the eigenvalues of the connectivity matrix. The performance of the proposed algorithm is compared with random link addition and a method based on the eigenvector centrality. It is shown that the proposed algorithm has a better synchronization ability than the other methods and also the scale-free and small-world networks with the same number of nodes and links. The proposed algorithm can also be applied for link reduction while less disturbing its synchronization. The effectiveness of the algorithm is compared with four other link reduction methods. The results represent that the proposed algorithm is the most appropriate method for preserving synchronization.
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March 2023
Research Article|
March 01 2023
An optimization-based algorithm for obtaining an optimal synchronizable network after link addition or reduction
Special Collection:
Disruption of Networks and System Dynamics
Fatemeh Parastesh
;
Fatemeh Parastesh
(Formal analysis, Investigation, Software, Writing – original draft)
1
Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic)
, Tehran 159163-4311, Iran
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Sridevi Sriram;
Sridevi Sriram
(Funding acquisition, Investigation, Methodology, Writing – original draft)
2
Centre for Computational Biology, Chennai Institute of Technology
, Chennai 600069, Tamil Nadu, India
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Hayder Natiq
;
Hayder Natiq
(Methodology, Software, Validation, Writing – original draft)
3
Department of Computer Technology Engineering, College of Information Technology, Imam Ja’afar Al-Sadiq University
, Baghdad 10001, Iraq
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Karthikeyan Rajagopal
;
Karthikeyan Rajagopal
(Conceptualization, Methodology, Validation, Visualization, Writing – review & editing)
4
Centre for Nonlinear Systems, Chennai Institute of Technology
, Chennai 600069, Tamil Nadu, India
5
Department of Electronics and Communications Engineering and University Centre of Research & Development, Chandigarh University
, Mohali 140413, Punjab, India
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Sajad Jafari
Sajad Jafari
a)
(Conceptualization, Methodology, Supervision, Writing – review & editing)
1
Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic)
, Tehran 159163-4311, Iran
6
Health Technology Research Institute, Amirkabir University of Technology (Tehran Polytechnic)
, Tehran 159163-4311, Iran
a)Author to whom correspondence should be addressed: sajadjafari83@gmail.com
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a)Author to whom correspondence should be addressed: sajadjafari83@gmail.com
Note: This paper is part of the Focus Issue on Disruption of Networks and System Dynamics.
Chaos 33, 033103 (2023)
Article history
Received:
November 14 2022
Accepted:
January 06 2023
Citation
Fatemeh Parastesh, Sridevi Sriram, Hayder Natiq, Karthikeyan Rajagopal, Sajad Jafari; An optimization-based algorithm for obtaining an optimal synchronizable network after link addition or reduction. Chaos 1 March 2023; 33 (3): 033103. https://doi.org/10.1063/5.0134763
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