An estimation formula for the average path length of scale-free networks
An estimation formula for the average path length of scale-free networks
复制标题
无标度网络平均路径长度的估计公式
DOI:
10.1088/1674-1056/17/7/001
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发表时间:
2008-07
影响因子:
1.7
通讯作者:
Li Ying
中科院分区:
文献类型:
--
作者:
Cao Hong-Duo;Ren Yong;Shan Xiu-Ming;Li Ying
A universal estimation formula for the average path length of scale free networks is given in this paper. Different from other estimation formulas, most of which use the size of network, N, as the only parameter, two parameters including N and a second parameter α are included in our formula. The parameter α is the power-law exponent, which represents the local connectivity property of a network. Because of this, the formula captures an important property that the local connectivity property at a microscopic level can determine the global connectivity of the whole network. The use of this new parameter distinguishes this approach from the other estimation formulas, and makes it a universal estimation formula, which can be applied to all types of scale-free networks. The conclusion is made that the small world feature is a derivative feature of a scale free network. If a network follows the power-law degree distribution, it must be a small world network. The power-law degree distribution property, while making the network economical, preserves the efficiency through this small world property when the network is scaled up. In other words, a real scale-free network is scaled at a relatively small cost and a relatively high efficiency, and that is the desirable result of self-organization optimization.
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影响因子:
2.4
作者:
Dorogovtsev, SN;Goltsev, AV;Mendes, JFF
通讯作者:
Mendes, JFF
影响因子:
2.4
作者:
Ebel, H;Mielsch, LI;Bornholdt, S
通讯作者:
Bornholdt, S
DOI:
10.1002/9783527627981.ch2
发表时间:
2009-08
期刊:
--
影响因子:
--
作者:
S. Thurner
通讯作者:
S. Thurner
DOI:
10.1140/epjb/e2007-00229-9
发表时间:
2007-09
期刊:
The European Physical Journal B
影响因子:
--
作者:
Zhongzhi Zhang;Shuigeng Zhou;L. Chen
通讯作者:
Zhongzhi Zhang;Shuigeng Zhou;L. Chen
DOI:
10.1007/b12331
发表时间:
2007-04
期刊:
arXiv: Statistical Mechanics
影响因子:
--
作者:
B. Wacław
通讯作者:
B. Wacław