networkx.gnc_graph

gnc_graph(n, seed=None)

Return the GNC (growing network with copying) digraph with n nodes.

The graph is built by adding nodes one at a time with a links to one previously added node (chosen uniformly at random) and to all of that node’s successors.

Reference:

@article{krapivsky-2005-network,
title   = {Network Growth by Copying},
author  = {P. L. Krapivsky and S. Redner},
journal = {Phys. Rev. E},
volume  = {71},
pages   = {036118},
year    = {2005},
}