Operations Research Transactions ›› 2011, Vol. 15 ›› Issue (1): 35-45.

• Original Articles • Previous Articles     Next Articles

A Generalization for Directed Scale-Free Graphs

YAN Yun-Zhi, WANG Han-Xing   

  • Online:2011-03-15 Published:2011-03-15

Abstract: We study a dynamically evolving directed random graph which randomly adds vertices and directed edges using preferential attachment and prove that its vertice degree obey power law and has elaborate power law exponents.