Detecting highly cyclic structure with complex eigenpairs
C Klymko, G Sanders - arXiv preprint arXiv:1609.05740, 2016 - arxiv.org
C Klymko, G Sanders
arXiv preprint arXiv:1609.05740, 2016•arxiv.orgMany large, real-world complex networks have rich community structure that a network
scientist seeks to understand. These communities may overlap or have intricate internal
structure. Extracting communities with particular topological structure, even when they
overlap with other communities, is a powerful capability that would provide novel avenues of
focusing in on structure of interest. In this work we consider extracting highly-cyclic regions
of directed graphs (digraphs). We demonstrate that embeddings derived from complex …
scientist seeks to understand. These communities may overlap or have intricate internal
structure. Extracting communities with particular topological structure, even when they
overlap with other communities, is a powerful capability that would provide novel avenues of
focusing in on structure of interest. In this work we consider extracting highly-cyclic regions
of directed graphs (digraphs). We demonstrate that embeddings derived from complex …
Many large, real-world complex networks have rich community structure that a network scientist seeks to understand. These communities may overlap or have intricate internal structure. Extracting communities with particular topological structure, even when they overlap with other communities, is a powerful capability that would provide novel avenues of focusing in on structure of interest. In this work we consider extracting highly-cyclic regions of directed graphs (digraphs). We demonstrate that embeddings derived from complex-valued eigenvectors associated with stochastic propagator eigenvalues near roots of unity are well-suited for this purpose. We prove several fundamental theoretic results demonstrating the connection between these eigenpairs and the presence of highly-cyclic structure and we demonstrate the use of these vectors on a few real-world examples.
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