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Renormalization of networks with weak geometric coupling
Jasper van der Kolk1,2, Marián Boguñá1,2, M Ángeles Serrano1,2,3
1Departament de Física de la Matèria Condensada, <a href="https://ror.org/021018s57">Universitat de Barcelona</a>, Martí i Franquès 1, E-08028 Barcelona, Spain.
Renormalization group methods are extended to analyze complex networks with weak geometric coupling. Geometric information is vital for preserving self-similarity in network topology, even with weak spatial connections.
Area of Science:
- Complex systems analysis
- Network science
- Statistical physics
Background:
- The renormalization group is fundamental for studying systems across various scales.
- Network geometry, which bases topology on node locations in a hidden metric space, is a key renormalization approach.
- Existing methods often assume strong geometric coupling, overlooking weak coupling prevalent in real-world networks.
Purpose of the Study:
- To extend renormalization techniques to networks with weak geometric coupling.
- To investigate the role of geometric information in preserving network self-similarity under weak coupling conditions.
Main Methods:
- Development of a renormalization framework applicable to weak geometric coupling in networks.
- Analysis of network topology considering node positions in a hidden metric space.
Main Results:
- Demonstration that geometric information remains crucial for self-similarity even with weak coupling.
- Identification of the significance of geometric effects on network topology under weak coupling.
Conclusions:
- Network geometry plays a critical role in maintaining self-similarity, irrespective of coupling strength.
- The study highlights the importance of considering geometric influences on network topology, particularly in scenarios with weak coupling.
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