Directed scale-free graphs

被引：0

作者：

Bollobás, B ^{[1
]}

Borgs, C ^{[1
]}

Chayes, J ^{[1
]}

Riordan, O ^{[1
]}

机构：

[1] Memphis State Univ, Dept Math Sci, Memphis, TN 38152 USA

来源：

PROCEEDINGS OF THE FOURTEENTH ANNUAL ACM-SIAM SYMPOSIUM ON DISCRETE ALGORITHMS | 2003年

关键词：

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We introduce a model for directed scale-free graphs that grow with preferential attachment depending in a natural way on the in- and out-degrees. We show that the resulting in- and out-degree distributions are power laws with different exponents, reproducing observed properties of the worldwide web. We also derive exponents for the distribution of in- (out-) degrees among vertices with fixed out- (in-) degree. We conclude by suggesting a corresponding model with hidden variables.

引用

页码：132 / 139

页数：8

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