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Correlation Sum and Recurrence Determinism of Interval Maps

    https://doi.org/10.1142/S0218127423500311Cited by:0 (Source: Crossref)

    Recurrence Quantification Analysis (RQA) is a method for measuring the complexity of dynamical systems. Recurrence determinism is a fundamental characteristic of RQA, closely related to correlation sum. In this paper, we study asymptotic behavior of these quantities for interval maps. We show for which cases the asymptotic correlation sum exists. An example of an interval map with zero entropy and a point with the finite ω-limit set for which the asymptotic correlation sum does not exist is given. Moreover, we present formulas for the computation of the asymptotic correlation sum with respect to the cardinality of the ω-limit set or to the configuration of the intervals forming it, respectively. We also show that for a non Li–Yorke chaotic (and hence zero entropy) interval map, the limit of recurrence determinism as distance threshold converges to zero can be strictly smaller than one.