Amplitude enhancements through rewiring of a non-autonomous delay system

  • 0Graduate School of Informatics, Nagoya University, Nagoya, Japan.

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Summary

This summary is machine-generated.

Complex systems can generate significant oscillations from minimal units. Rewiring feedback loops in a two-unit system with delay can create robust, finite-amplitude dynamical oscillations.

Area Of Science

  • Dynamical systems theory
  • Nonlinear dynamics
  • Complex systems analysis

Background

  • Complex systems often display emergent rhythmic behaviors from simple component dynamics.
  • Understanding how large-scale oscillations arise from minimal units is a key challenge.
  • Previous assumptions suggested numerous units are necessary for significant oscillations.

Purpose Of The Study

  • To investigate the emergence of significant oscillatory signals from a minimal system of two interacting units.
  • To demonstrate that robust oscillations can arise from simple, non-autonomous delay differential equations.
  • To challenge the notion that numerous components are required for complex rhythmic behaviors.

Main Methods

  • Utilizing a minimal system of two interacting units governed by non-autonomous delay differential equations.
  • Employing a recently obtained exact analytical solution for the governing equations.
  • Analyzing the effects of rewiring feedback from self-feedback to cross-feedback.

Main Results

  • Rewiring two units from self-feedback to cross-feedback generates robust, finite-amplitude dynamical oscillations.
  • The emergence of these oscillations is dependent on the presence of appropriate delay in the feedback line.
  • The study demonstrates significant oscillatory signals from a minimal two-unit system, contrary to common assumptions.

Conclusions

  • A minimalistic mechanism involving two interacting units with appropriate feedback delay can generate high-amplitude dynamical oscillations.
  • This finding offers a new perspective on the emergence of complex rhythmic behaviors in systems.
  • The results have implications for understanding emergent dynamics in various complex systems, including biological networks.

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