大连理工大学主页平台管理系统王众托 Random evolving networks under the diameter and average connectivity constraint 王众托

论文成果

Random evolving networks under the diameter and average connectivity constraint: 点击次数：; 发布时间： 2019-03-10; 发布时间：2019-03-10; 论文类型：期刊论文; 发表时间：2007-03-01; 发表刊物：JOURNAL OF SYSTEMS SCIENCE AND SYSTEMS ENGINEERING; 收录刊物：EI、SCIE; 卷号：16; 期号：1; 页面范围：107-112; ISSN号：1004-3756; 关键字：scale-free networks; diameter; average connectivity; 摘要：in this paper, under the constraint that the average distance and the average degree (k) remain approximately constant, we studied a random scale-free network model. We found that, if the network maintains the form of its degree distribution and the maximal degree k(c) is N-dependent cutoff function k(c)(N) < N, the degree distribution would be approximately power-law with an exponent between 2 and 3. The distribution exponent has little relationship with the average degree, denoted by < k >. The diameter constraint can be interpreted as an environmental selection pressure, which could explain the scale-free nature of networks. The numerical results indicate that, under the diameter constraint, the preferential attachment can produce the cutoff function k(c) (N) < N and power-law degree distribution.

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教授博士生导师硕士生导师

性别：男

毕业院校：清华大学

所在单位：经济管理学院

学科：管理科学与工程. 系统工程. 系统分析与集成

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