網(wǎng)絡(luò)的生成及其結(jié)構(gòu)分析
[Abstract]:In recent years, with the development of ER random networks and small world networks such as scale-free networks, the research of network generation model has attracted a lot of attention, especially the research of network growth and topology structure. People begin to pay attention to the more complex network structure as the research focus in this field. In this paper, the network model of community structure is studied, and it is found that compared with random selection or degree of association preference, it is more practical to choose the average degree of community among communities. The relationship between disease transmission and generation network model is studied. The main work of this paper is as follows: 1. In this paper, the mechanism of community average preference is considered, and its definition is given, and the generating network model of community degree preference is established. Among them, the degree first connection mechanism is still adopted among the nodes within the community, and the average degree preference mechanism is adopted among the communities, and then the model is theoretically analyzed by using the mean domain method. The node degree and its degree distribution of the model are obtained. The results show that the network accords with the characteristics of scale-free network, and the numerical simulation is carried out. 2. In this paper, the problem of disease transmission and network generation is considered, and a generation network model suitable for the transmission of endemic infectious diseases with some special properties is established. The nodes of susceptible and infected persons in different states were analyzed theoretically, and the degree and distribution of susceptible and infected persons at each moment were obtained respectively.
【學(xué)位授予單位】:中北大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:O157.5
【共引文獻】
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6 余
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