Persistent Homology of Complex Networks

Details Persistent Homology of Complex Networks Persistent Homology of Complex Networks

2008-11-13

arxiv.org/abs/0811.2203v2

Physics

Mathematical Physics

presented partially at SIGMA PHI 2008 13 pages, 12 figures

Scientific paper

10.1088/1742-5468/2009/03/P03034

Long lived topological features are distinguished from short lived ones (considered as topological noise) in simplicial complexes constructed from complex networks. A new topological invariant, persistent homology, is determined and presented as a parametrized version of a Betti number. Complex networks with distinct degree distributions exhibit distinct persistent topological features. Persistent toplogical attributes, shown to be related to robust quality of networks, also reflect defficiency in certain connectivity properites of networks. Random networks, networks with exponential conectivity distribution and scale-free networks were considered for homological persistency analysis.

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