The structure of mode-locking regions of piecewise-linear continuous maps
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Publication:6266139
DOI10.1088/1361-6544/AA4F49arXiv1510.01416MaRDI QIDQ6266139
Publication date: 5 October 2015
Abstract: The mode-locking regions of a dynamical system are the subsets of the parameter space of the system within which there exists an attracting periodic solution. For piecewise-linear continuous maps, these regions have a curious chain structure with points of zero width called shrinking points. In this paper we perform a local analysis about an arbitrary shrinking point. This is achieved by studying the symbolic itineraries of periodic solutions in nearby mode-locking regions and performing an asymptotic analysis on one-dimensional slow manifolds in order to build a comprehensive theoretical framework for the local dynamics. We obtain leading-order quantitative descriptions for the shape of nearby mode-locking regions, the location of nearby shrinking points, and the key properties of these shrinking points. We apply the results to the three-dimensional border-collision normal form, nonsmooth Neimark-Sacker-like bifurcations, and grazing-sliding bifurcations in a model of a dry friction oscillator.
Bifurcations of limit cycles and periodic orbits in dynamical systems (37G15) Dynamical aspects of attractors and their bifurcations (37G35) Bifurcation theory for difference equations (39A28)
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