Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2003-11-14
Physics
Condensed Matter
Disordered Systems and Neural Networks
5 pages, 3 figures
Scientific paper
It has been discovered recently that many social, biological and ecological systems have the so-called small-world and scale-free features, which has provoked new research interest in the studies of various complex networks. Yet, most network models studied thus far are binary, with the linking strengths being either 0 or 1, while which are best described by weighted-linking networks, in which the vertices interact with each other with varying strengths. Here we found that the distribution of connection strengths of scientific collaboration networks decays also in a power-law form and we conjecture that all weighted-linking networks of this type follow the same distribution.
Chen Guanrong
Li Chunguang
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