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Non-existence of Shilnikov chaos in a simple five-term chaotic system with exponential quadratic term

ZHOUCHAO WEI1,* , JUNXIA WANG1

Affiliation

  1. School of Mathematics and Physics, China University of Geosciences, Wuhan, 430074, PR China

Abstract

This paper investigates a simplified five-term chaotic system with exponential quadratic term by detailed theoretical analysis as well as dynamic simulation, including some basic dynamical properties, Lyapunov exponent spectra, Poincaré mapping, fractal dimension, bifurcation diagram, routes to chaos, and forming mechanisms of its compound structures. The obtained results show clearly that the system with two non-hyperbolic equilibria for all a > 0 and b>1 deserves a further detailed investigation..

Keywords

Chaos, Exponential quadratic term, Lyapunov exponent, Bifurcation diagram.

Citation

ZHOUCHAO WEI, JUNXIA WANG, Non-existence of Shilnikov chaos in a simple five-term chaotic system with exponential quadratic term, Optoelectronics and Advanced Materials - Rapid Communications, 6, 9-10, September-October 2012, pp.926-930 (2012).

Submitted at: April 1, 2012

Accepted at: Sept. 20, 2012