Assortative Mixing in Close-Packed Spatial Networks

Details Assortative Mixing in Close-Packed Spatial Networks Assortative Mixing in Close-Packed Spatial Networks

2010-10-15

arxiv.org/abs/1010.3096v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

24 pages, 4 figures

Scientific paper

A general relation for the dependence of nearest neighbor degree correlations on degree is derived. Dependence of local clustering on degree is shown to be the sole determining factor of assortative versus disassortative mixing in networks. The characteristics of networks derived from spatial atomic/molecular systems exemplified by self-organized residue networks and block copolymers, atomic clusters and well-compressed polymeric melts are studied. Distributions of statistical properties of the networks are presented. For these densely-packed systems, assortative mixing in the network construction is found to apply, and conditions are derived for a simple linear dependence. Together, these measures (i) reveal patterns that are common to close-packed clusters of atoms/molecules, (ii) identify the type of surface effects prominent in different systems, and (iii) associate fingerprints that may be used to classify networks with varying types of correlations.

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