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complexity

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Complexity characterizes the behavior of a system or model whose components interact in multiple ways and follow local rules, leading to non-linearity, randomness, collective dynamics, hierarchy, and emergence.

~25 min read

Encyclopedic overview

24 sections
Contents
  • Overview
  • Disorganized versus organized
  • Sources and factors
  • Varied meanings
  • Study
  • Topics
  • Behaviour
  • Mechanisms
  • Simulations
  • Systems
  • Data
  • Classification Problems
  • In molecular recognition
  • The law of requisite complexity
  • Positive, appropriate and negative complexity
  • In [[project management]]
  • In systems engineering
  • Applications
  • Emerging applications in other fields
  • Application in cosmology
  • See also
  • References
  • Further reading
  • External links

Complexity characterizes the behavior of a system or model whose components interact in multiple ways and follow local rules, leading to non-linearity, randomness, collective dynamics, hierarchy, and emergence.

The term is generally used to characterize something with many parts where those parts interact with each other in multiple ways, culminating in a higher order of emergence greater than the sum of its parts. The study of these complex linkages at various scales is the main goal of complex systems theory.

Excerpted from Wikipedia’s “complexity” article, available under the CC BY-SA 4.0 licence.