Document type
ArticleVersion
Published versionPublication date
All rights reserved
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/18786
Clustering in complex networks. I. General formalism
Journal Title
Director/Tutor
Journal ISSN
Volume Title
Related resource
Abstract
We develop a full theoretical approach to clustering in complex networks. A key concept is introduced, the edge multiplicity, that measures the number of triangles passing through an edge. This quantity extends the clustering coefficient in that it involves the properties of two¿and not just one¿vertices. The formalism is completed with the definition of a three-vertex correlation function, which is the fundamental quantity describing the properties of clustered networks. The formalism suggests different metrics that are able to thoroughly characterize transitive relations. A rigorous analysis of several real networks, which makes use of this formalism and the metrics, is also provided. It is also found that clustered networks can be classified into two main groups: the weak and the strong transitivity classes. In the first class, edge multiplicity is small, with triangles being disjoint. In the second class, edge multiplicity is high and so triangles share many edges. As we shall see in the following paper, the class a network belongs to has strong implications in its percolation properties.
Subject
Subject (English)
Citation
Citation
SERRANO MORAL, Ma. Ángeles (María Ángeles) and BOGUÑÁ, Marián. Clustering in complex networks. I. General formalism. Physical Review e. 2006. Vol. 74, num. 5, pags. 056114-1-056114-9. ISSN 1063-651X. [consulted: 19 of August of 2026]. Available at: https://hdl.handle.net/2445/18786