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Journal Article

Evolving Network Modeling Driven by the Degree Increase and Decrease Mechanism


Li,  Yuhan
External Organizations;

Feng,  Minyu
External Organizations;


Kurths,  Jürgen
Potsdam Institute for Climate Impact Research;

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Li, Y., Feng, M., Kurths, J. (2023): Evolving Network Modeling Driven by the Degree Increase and Decrease Mechanism. - IEEE Transactions on Systems, Man, and Cybernetics: Systems, 53, 9, 5369-5380.

Cite as: https://publications.pik-potsdam.de/pubman/item/item_28606
Ever since the Barabási–Albert (BA) scale-free network has been proposed, network modeling has been studied intensively in light of the network growth and the preferential attachment (PA). However, numerous real systems are featured with a dynamic evolution including network reduction in addition to network growth. In this article, we propose a novel mechanism for evolving networks from the perspective of vertex degree. We construct a queueing system to describe the increase and decrease of vertex degree, which drives the network evolution. In our mechanism, the degree increase rate is regarded as a function positively correlated to the degree of a vertex, ensuring the PA in a new way. Degree distributions are investigated under two expressions of the degree increase rate, one of which manifests a “long tail”, and another one varies with different values of parameters. In simulations, we compare our theoretical distributions with simulation results and also apply them to real networks, which presents the validity and applicability of our model.