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In this paper, we examine the cascading failure on BA networks with scale-free property based on a load redistribution rule. Assuming that the robustness is quantified by the critical threshold Tc, at which a phase transition occurs from normal state to collapse, we find the strongest robustness against cascading failures in the case of alpha =1, which is a tunable parameter in our model. We further...
How to measure node importance or find out the important node in the network has been a fundamental issue. However, since most of the existing centrality measures only take one criterion into account, they couldn't capture the specific differences among nodes and isn't in accordance with the actual circumstances. Hence, in this paper, we propose a new measure of node importance in complex networks...
In this paper, we explore the statistical properties of Chinese language network within the framework of complex network theory. Based on one of the common databases in China, i.e. Tshinghua Unisplendour's one, we construct Chinese word-word language directed network (CWWLDN). The node in CWWLDN represents a single character, and while a directed link between two nodes exists if two different characters...
In order to increase the value of the phrase transition on the regular network, which can be used to measure the capacity of network to process traffic flow, firstly we propose a simple model for traffic network based on randomly choosing the shortest path and further investigate the value of the phrase transition from the free phrase to congested phrase in the regular network. And then, four different...
In order to increase the value of the phrase transition on the regular network, which can be used to measure the capacity of network to process traffic flow, in this paper, we propose a simple traffic flow model for scale-free network based on randomly choosing the shortest path and further discuss the two different routing strategies to enhance the traffic capacity of scale-free networks. The simulation...
In order to mimic complex real-life systems, in this paper, we propose evolving small-world networks based on the modified BA model. In the process of network evolution, the links among the new nodes at each time step are involved, which is different from the classic BA model. The simulation results show our model exhibits the small-world property and the scale-free structure. Since most real networks...
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