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Please use this identifier to cite or link to this item: http://hdl.handle.net/1860/287

Title: Cusp singularity in nonlinear dynamical systems
Authors: Wei, Chengeng
Keywords: Physics and Atmospheric Sciences;Nonlinear theories;Chaotic behavior in systems
Issue Date: 25-May-2004
Abstract: In three dimensional dissipative dynamical systems with one stretching and one squeezing direction, chaos is often generated by stretching and folding processes. In a well-de ned limit of high dissipation, the fold singularity A2 (logistic map) provides the backbone describing formation of a Smale horseshoe. In four dimensions with two stretching and one squeezing directions, and in the same well-de ned limit, the cusp singularity A3 (cusp map) provides the backbone for processes creating chaos. Just as features of the logistic map, such as period doubling cascades and systematically sized windows, enable experimentalists to recognize the presence of three dimensional chaotic ows, the typical features of the cusp map will enable experimentalists to recognize the presence of higher dimensional ows with more than one unstable direction. In this work the systematic organization of \windows" associated with the cusp map is described and analyzed.
URI: http://dspace.library.drexel.edu/handle/1860/287
Appears in Collections:Drexel Theses and Dissertations

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