Electron. J. Diff. Eqns., Vol. 2003(2003), No. 105, pp. 1-7.

Limit cycles for a class of polynomial systems and applications

Hanying Feng, Rui Xu, Qiming Liu, & Pinghua Yang

Abstract:
In this paper, we study the existence and uniqueness of limit cycles for a particular polynomial system. Some known results are extended and improved.

Submitted July 2, 2003. Published October 20, 2003.
Math Subject Classifications: 34C07, 37G10.
Key Words: Polynomial system, limit cycle, existence, uniqueness.

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Hanying Feng
Shijiazhuang Mechanical Engineering College
Shijiazhuang 050003, China
e-mail: fhanying@yahoo.com.cn
Rui Xu
Shijiazhuang Mechanical Engineering College
Shijiazhuang 050003, China
e-mail: rxu88@yahoo.com.cn
  Qiming Liu
Shijiazhuang Mechanical Engineering College
Shijiazhuang 050003, China
e-mail: Llqm2002@yahoo.com.cn
  Pinghua Yang
Shijiazhuang Mechanical Engineering College
Shijiazhuang 050003, China
e-mail: huangsz@sjzri.edu.cn

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