Fisher transfer entropy : quantifying the gain in transient sensitivity

Mikhail Prokopenko, Lionel Barnett, Michael Harre, Joseph T. Lizier, Oliver Obst, X. Rosalind Wang

Research output: Contribution to journalArticlepeer-review

Abstract

We introduce a novel measure, Fisher transfer entropy (FTE), which quantifies a gain in sensitivity to a control parameter of a state transition, in the context of another observable source. The new measure captures both transient and contextual qualities of transfer entropy and the sensitivity characteristics of Fisher information. FTE is exemplified for a ferromagnetic two-dimensional lattice Ising model with Glauber dynamics and is shown to diverge at the critical point.
Original languageEnglish
Article number20150610
Number of pages14
JournalProceedings of the Royal Society of London. Series A : Mathematical, Physical and Engineering Sciences
Volume471
Issue number2184
DOIs
Publication statusPublished - 2015

Keywords

  • Fisher information
  • Glauber dynamics
  • Ising model
  • information thermodynamics
  • transfer entropy

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