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**Bifurcation analysis for a kind of nonlinear finance system with delayed feedback and its application to control of chaos.**
*(English)*
Zbl 1244.93117

Summary: A kind of nonlinear finance system with time-delayed feedback is considered. Firstly, by employing the polynomial theorem to analyze the distribution of the roots to the associate characteristic equation, the conditions of ensuring the existence of Hopf bifurcation are given. Secondly, by using the normal form theory and center manifold argument, we derive the explicit formulas determining the stability, direction, and other properties of bifurcating periodic solutions. Finally, we give several numerical simulations, which indicate that when the delay passes through certain critical values, chaotic oscillation is converted into a stable steady state or a stable periodic orbit.

### MSC:

93C95 | Application models in control theory |

91G80 | Financial applications of other theories |

34H10 | Chaos control for problems involving ordinary differential equations |

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\textit{R. Zhang}, J. Appl. Math. 2012, Article ID 316390, 18 p. (2012; Zbl 1244.93117)

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### References:

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