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***** To join INSNA, visit http://www.insna.org ***** Perhaps you are thinking of this paper: P. Holme and G. Ghoshal, Dynamics of networking agents competing for high centrality and low degree, Phys. Rev. Lett. 96, 098701 (2006). Also available here: http://arxiv.org/abs/q-bio/0512014 Mark On 02/22/2011 09:13 AM, Brian Keegan wrote: > ***** To join INSNA, visit http://www.insna.org ***** I am trying to > recall a paper in which the authors had a model where agents competed to > have high betweenness but low degree. In the limit, the model tended > towards star structures with only a handful of brokers. _____________________________________________________________________ SOCNET is a service of INSNA, the professional association for social network researchers (http://www.insna.org). To unsubscribe, send an email message to [log in to unmask] containing the line UNSUBSCRIBE SOCNET in the body of the message.