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. 2014 Oct 13;9(10):e110121. doi: 10.1371/journal.pone.0110121

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© 2014 Williams, Del Genio

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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The plot shows the out-in correlation coefficients for directed scale-free networks with . The simulation data are shown in solid black. The red dotted line corresponds to the coefficients that maximize the information entropy for a given . The good agreement of the results indicates the entropic origin of the disassortativity observed in directed scale-free networks.

Inline graphic — The plot shows the out-in correlation coefficients for directed scale-free networks with . The simulation data are shown in solid black. The red dotted line corresponds to the coefficients that maximize the information entropy for a given . The good agreement of the results indicates the entropic origin of the disassortativity observed in directed scale-free networks.