arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 0807.0793physics.soc-phcond-mat.dis-nncond-mat.stat-mech
收藏

稠密加权网络中的富俱乐部效应

On the rich-club effect in dense and weighted networks

Vinko Zlatic, Ginestra Bianconi, Albert Diaz-Guilera, Diego Garlaschelli, Francesco Rao, Guido Caldarelli

摘要:

对于自然界中存在的许多复杂网络,只有一个实例,通常是大规模的,是可用的。在这个单一实例上进行的任何测量都不能在不同的实现上重复。为了在真实世界的网络中检测到重要的模式,因此将测量结果与空模型进行比较是至关重要的。在这里,我们专注于密集和加权网络,提出了一个合适的空模型,并研究了度相关性的行为,如富俱乐部系数所衡量的。我们的方法解决了一个现有的问题与稠密的未加权图的随机化,并在同一时间代表了一个泛化的富俱乐部系数加权网络,这是补充其他最近提出的。

英文摘要:

For many complex networks present in nature only a single instance, usually of large size, is available. Any measurement made on this single instance cannot be repeated on different realizations. In order to detect significant patterns in a real--world network it is therefore crucial to compare the measured results with a null model counterpart. Here we focus on dense and weighted networks, proposing a suitable null model and studying the behaviour of the degree correlations as measured by the rich-club coefficient. Our method solves an existing problem with the randomization of dense unweighted graphs, and at the same time represents a generalization of the rich--club coefficient to weighted networks which is complementary to other recently proposed ones.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑