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Complex Adaptive Systems (CAS)

Complex Adaptive Systems (CAS). Mirsad Hadzikadic. System. Agents. Self-Organization. Adaptation. Feedback. Emergence. (Complex) Network. Power Law. CAS. Architecture. Applications. Research Topics. System in General. Energy, Entropy, Information Measure of Complexity

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Complex Adaptive Systems (CAS)

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  1. Complex Adaptive Systems (CAS) Mirsad Hadzikadic

  2. System

  3. Agents

  4. Self-Organization

  5. Adaptation

  6. Feedback

  7. Emergence

  8. (Complex) Network

  9. Power Law

  10. CAS Architecture

  11. Applications

  12. Research Topics

  13. System in General • Energy, Entropy, Information • Measure of Complexity • Driving Force • Architecture • Fundamental Properties • Verification & Validation

  14. Energy, Entropy, Information • Energy – sustains and constrains • Entropy – provides direction, defines possibilities • Information – connects, amplifies, “new energy?”

  15. Measure of Complexity • Many proposed • Context dependent? • Useful?

  16. Architecture • Processing vs. Representation Element • Brain • Society

  17. Driving Force • What We Know We Know (Baseline) • Receive/Seek New Input • Measure Outcome (utility, reward/punishment, efficiency, cost, risk, equity, …) • Compare to Expected Outcome (value, direction, rate, frequency, recency, …) • Evaluate w.r.t. the Incentive (new baseline)

  18. Fundamental Properties • Threshold • Emergence • Self-organization

  19. Verification & Validation • Verification – system specifications • Validation – functionality, utility • System sensitivity (chaos) • Optimizing parameters to explain and/or predict

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