刘长剑教授到岗
10月19日,刘长剑教授完成报到手续,正式入职中山大学数学学院(珠海)。
刘长剑教授简历
教育背景:
2002--2005 北京大学数学科学学院与法国里尔第一大学,理学博士
1999--2002 北京大学数学学院,理学硕士
1995--1999 北京大学数学学院,学士
工作经历:
2008至今: 苏州大学,副教授(2008--2013)、教授
2006—2008 中科院数学所, 博士后
2005--2006 法国第戎大学,博士后
研究领域:
常微分方程与动力系统
科研项目:
1、平面连续与不连续系统的若干定性性质,国家自然科学基金面上项目,11771315,2018-,主持。
2、对若干超椭圆积分零点个数的估计,国家自然科学基金面上项目,11371269,2014-2017,主持。
3、对平面二次系统极限环数目的研究,国家自然科学基金青年项目,10901117,2010-2012,主持。
论文发表:
[1] Dong, Guangfeng; Liu, Changjian Note on limit cycles for m-piecewise discontinuous polynomial Liénard differential equations. Z. Angew. Math. Phys. 68 (2017), no. 4, Art. 97, 8 pp.
[2] Cao, Yuli; Liu, Changjian The estimate of the amplitude of limit cycles of symmetric Liénard systems. J. Differential Equations 262 (2017), no. 3, 2025–2038.
[3] Li, Shimin; Liu, Changjian A linear estimate of the number of limit cycles for some planar piecewise smooth quadratic differential system. J. Math. Anal. Appl. 428 (2015), no. 2, 1354–1367.
[4] Dong, Guangfeng; Liu, Changjian; Yang, Jiazhong The complexity of generalized center problem. Qual. Theory Dyn. Syst. 14 (2015), no. 1, 11–23.
[5] Peng, Linping; Feng, Zhaosheng; Liu, Changjian Quadratic perturbations of a quadratic reversible Lotka-Volterra system with two centers. Discrete Contin. Dyn. Syst. 34 (2014), no. 11, 4807–4826.
[6] Liu, Changjian; Xiao, Dongmei The monotonicity of the ratio of two Abelian integrals. Trans. Amer. Math. Soc. 365 (2013), no. 10, 5525–5544.
[7] Liu, Changjian Limit cycles bifurcated from some reversible quadratic centres with a non-algebraic first integral. Nonlinearity 25 (2012), no. 6, 1653–1660.
[8] Liu, Changjian; Chen, Guoting; Yang, Jiazhong On the hyperelliptic limit cycles of Liénard systems. Nonlinearity 25 (2012), no. 6, 1601–1611.
[9] 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.
[10] Gasull, Armengol; Liu, Changjian; Yang, Jiazhong On the number of critical periods for planar polynomial systems of arbitrary degree. J. Differential Equations 249 (2010), no. 3, 684–692.
[11] Li, Chengzhi; Liu, Changjian; Yang, Jiazhong A cubic system with thirteen limit cycles. J. Differential Equations 246 (2009), no. 9, 3609–3619.