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Phys. Rev. E 74, 056116 (2006) [10 pages]

Designing threshold networks with given structural and dynamical properties

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Aric Hagberg and Pieter J. Swart
Mathematical Modeling and Analysis, Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

Daniel A. Schult
Department of Mathematics, Colgate University, Hamilton, New York 13346, USA

Received 14 July 2006; published 29 November 2006

The threshold model can be used to generate random networks of arbitrary size with given local properties such as the degree distribution, clustering, and degree correlation. We summarize the properties of networks created using the threshold model and present an alternative deterministic construction. These networks are threshold graphs and therefore contain a highly compressible layered structure and allow computation of important network properties in linear time. We show how to construct arbitrarily large, sparse, threshold networks with (approximately) any prescribed degree distribution or Laplacian spectrum. Control of the spectrum allows careful study of the synchronization properties of threshold networks including the relationship between heterogeneous degrees and resistance to synchrony.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.74.056116
DOI:
10.1103/PhysRevE.74.056116
PACS:
89.75.Hc, 89.75.Da, 89.75.Fb, 05.45.Xt