刘长剑，教授，于2005年获得北京大学与法国里尔大学联合培养博士学位，2008年至今在苏州大学工作。主要从事常微分方程定性理论方面的工作，至今已发表相关文章14篇。以下是近年发表的文章

1.Liu, Changjian; Chen, Guoting; Chen, Guanrong Integrability of Lotka-Volterra type systems of degree 4. J. Math. Anal. Appl. 388 (2012), no. 2, 1107–1116.

2.Liu, Changjian The cyclicity of period annuli of a class of quadratic reversible systems with two centers. J. Differential Equations 252 (2012), no. 10, 5260–5273.

3. Liu, Changjian; Chen, Guoting; Yang, Jiazhong On the hyperelliptic limit cycles of Liénard systems. Nonlinearity 25 (2012), no. 6, 1601–1611.

4.Liu, Changjian Limit cycles bifurcated from some reversible quadratic centres with a non-algebraic first integral. Nonlinearity 25 (2012), no. 6, 1653–1660.

5.Chen, Guoting; Li, Tiecheng; Liu, Changjian Lyapunov exponent of a stochastic SIRS model. C. R. Math. Acad. Sci. Paris 351 (2013), no. 1-2, 33–35.

6. Zhao, Liqin; Qi, Minghui; Liu, Changjian The cyclicity of period annuli of a class of quintic Hamiltonian systems. J. Math. Anal. Appl. 403 (2013), no. 2, 391–407.

7. Liu, Changjian; Xiao, Dongmei; The monotonicity of the ratio of two Abelian integrals. Trans. Amer. Math. Soc. 365 (2013), no. 10, 5525–5544.