学位论文独创性声明及使用授权声明
Chapter 1 Introduction
Chapter 2 Limit cycle problem for a non-Liénard type cubic systems
§2.1 The case with ψ(y) = cy
§2.2 The case with ψ(y) = cy2
Chapter 3 Limit cycle problem for a Liénard type cubic system
§3.1 Introduction and several lemmas
§3.2 The case a1 = 0
§3.3 The case a1 ≠ 0
Chapter 4 Limit cycle problem for quadratic system of type (Ⅲ)m=0
§4.1 Introduction and some lemmas
§4.2 Properties of the finite critical points
§4.3 The case with N an antisaddle
§4.4 The case with N saddle
References
List of papers
Acknowledgment
南京师范大学;