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Highly optimized tolerance: robustness and design in complex systems

Carlson1, Doyle

  • 1Department of Physics, University of California, Santa Barbara, California 93106, USA.

Physical Review Letters
|October 6, 2000
PubMed
Summary
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Highly optimized tolerance (HOT) describes how complex systems evolve with power laws. Introducing even minimal design into these systems, like percolation, can induce HOT states, impacting their structure and robustness.

Area of Science:

  • Complex systems science
  • Statistical physics
  • Systems biology

Background:

  • Highly optimized tolerance (HOT) is a framework explaining the emergence of power laws in complex systems shaped by design and evolution.
  • HOT systems exhibit efficiency, robustness, hypersensitivity to flaws, and non-generic structures.

Purpose of the Study:

  • To investigate the impact of introducing design elements into complex systems.
  • To determine if and how design influences the transition to Highly Optimized Tolerance states.

Main Methods:

  • Studied percolation systems with varying levels of incorporated design.
  • Analyzed the structural and statistical properties of these systems.

Main Results:

Related Experiment Videos

  • Increasing levels of design were incorporated into percolation models.
  • Even small amounts of design were found to induce Highly Optimized Tolerance (HOT) states.

    • Conclusions:

    • Design plays a crucial role in the emergence of Highly Optimized Tolerance in complex systems.
    • The findings suggest that design can drive systems towards specific, structured configurations characterized by power laws.