2018

Modes of Information Flow

James, Ryan G., Ayala, Blanca Daniella Mansante, Zakirov, Bahti et al.

Understand

Information flow between components of a system takes many forms and is key to understanding the organization and functioning of large-scale, complex systems.

  • We demonstrate three modalities of information flow from time series X to time series Y.
  • Intrinsic information flow exists when the past of X is individually predictive of the present of Y, independent of Y's past; this is most commonly considered information flow.
  • Shared information flow exists when X's past is predictive of Y's present in the same manner as Y's past; this occurs due to synchronization or common driving, for example.

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