复杂网络病毒传播的局域控制研究

An investigation on local area control of virus spreading in complex networks

从复杂网络的节点路径长度范围的角度来研究病毒传播的局域控制,分析了在不同拓扑结构的复杂网络中进行局域控制的有效性.研究表明,局域控制对WS小世界网络、BA无标度网络和ER随机网络三类复杂网络均有效,但只有WS小世界网络存在零感染的控制范围最优值d=3;对于长程连边的分布存在距离偏好的Kleinberg小世界网络,随着依赖度的增大,病毒传播率临界值增加,同时局域范围控制的效果得到加强.

The local area control of virus spreading is studied in the light of the path length in complex networks, and the efficiency of local area control for complex networks with different topologies is analyzed. The research suggests that local area control method is effective in the WS small world networks, the BA scare-free networks, and the ER random networks; but the optimal radii d = 3 of the local control area for zero infection applies only to the WS small world networks. In the Kleinberg small world networks, when the distance bias of long-range links increases, the epidemic threshold increases, and the effect of local area control strengthens.