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Rise of nations: Why do empires expand and fall?

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Centralized networks using a "divide and rule" strategy offer control advantages. Optimal stability in these "empires" requires a single center and slow-evolving central nodes to avoid a "control trap".

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Area of Science:

  • Network dynamics
  • Artificial intelligence
  • Complex systems

Background:

  • Centralized networks with super-egoistic centers and satellite nodes are modeled.
  • A divide and rule framework enforces strong center-satellite and weak satellite-satellite interactions.
  • The model is based on a Hopfield-type network, significant in artificial intelligence.

Purpose of the Study:

  • To analyze the stochastic stability of centralized networks organized in an "empire" structure.
  • To investigate the impact of the divide and rule framework on network control and stability.
  • To determine optimal configurations for network survival and responsiveness.

Main Methods:

  • Stochastic stability analysis of dynamical systems.
  • Utilizing a Hopfield-type network model.
  • Employing analogies with Bose-Einstein condensation for noise correlation analysis.

Main Results:

  • The divide and rule framework allows straightforward control by adjusting center-satellite interactions.
  • A single ruling center ensures maximum stability.
  • Negative noise correlations favor globally connected networks, analogous to Bose-Einstein condensation.
  • Controllability in social systems requires slow evolution of central nodes, risking a "control trap" with increasing system size.

Conclusions:

  • Centralized network structures can be effectively controlled using a divide and rule approach.
  • Optimal network design involves a single center and mechanisms for behavioral adaptation.
  • System size and central node dynamics critically influence long-term stability and controllability.