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Phys Rev Lett. 2013 Aug 16;111(7):078701. doi: 10.1103/PhysRevLett.111.078701. Epub 2013 Aug 12.

Controlling self-organizing dynamics on networks using models that self-organize.

Physical review letters

Pierre-André Noël, Charles D Brummitt, Raissa M D'Souza

Affiliations

  1. University of California, Davis, California 95616, USA. [email protected]

PMID: 23992086 DOI: 10.1103/PhysRevLett.111.078701

Abstract

Controlling self-organizing systems is challenging because the system responds to the controller. Here, we develop a model that captures the essential self-organizing mechanisms of Bak-Tang-Wiesenfeld (BTW) sandpiles on networks, a self-organized critical (SOC) system. This model enables studying a simple control scheme that determines the frequency of cascades and that shapes systemic risk. We show that optimal strategies exist for generic cost functions and that controlling a subcritical system may drive it to criticality. This approach could enable controlling other self-organizing systems.

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