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Sums of variables at the onset of chaos

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  • Miguel Fuentes
  • Alberto Robledo

Abstract

We explain how specific dynamical properties give rise to the limit distribution of sums of deterministic variables at the transition to chaos via the period-doubling route. We study the sums of successive positions generated by an ensemble of initial conditions uniformly distributed in the entire phase space of a unimodal map as represented by the logistic map. We find that these sums acquire their salient, multiscale, features from the repellor preimage structure that dominates the dynamics toward the attractors along the period-doubling cascade. And we explain how these properties transmit from the sums to their distribution. Specifically, we show how the stationary distribution of sums of positions at the Feigebaum point is built up from those associated with the supercycle attractors forming a hierarchical structure with multifractal and discrete scale invariance properties. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2014

Suggested Citation

  • Miguel Fuentes & Alberto Robledo, 2014. "Sums of variables at the onset of chaos," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 87(2), pages 1-7, February.
    • Handle: RePEc:spr:eurphb:v:87:y:2014:i:2:p:1-7:10.1140/epjb/e2014-40882-1
    DOI: 10.1140/epjb/e2014-40882-1
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    Statistical and Nonlinear Physics;

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