卫丽君

姓名： 卫丽君

职称： 副教授

邮箱： weilijun39@69crxs.com

个人简介：上海交通大学理学博士，硕士生导师。主要从事常微分方程定性理论及弱化希尔伯特第16问题的研究。在Nonlinearity，J. Differential Equations，J. Dynam. Differential Equations等国内外学术期刊上发表论文十余篇。先后主持国家自然科学基金项目2项、浙江省自然科学基金项目1项，参加国家、浙江省自然科学基金项目多项。指导本科生国家级、省级等科研项目多项。

研究方向：常微分方程与动力系统

教学与课程：

本科生课程：常微分方程、数学分析、高等数学、线性代数

研究生课程：常微分方程几何理论与分支、Maple软件

学术研究：

1：Wei Lijun, Zhang Xiang and Zhu jinbo, Limit Cycles Near a Centre and a Heteroclinic Loop in a Near–Hamiltonian Differential System. J. Dynam. Differential Equations 36(2024)405-420.

2：Wei Lijun, Zhang Qingjing and Zhang Xiang, On limit cycles near two centres and a double homoclinic loop in Liénard differential system. J. Differential Equations 300(2021)226-251.

3：Wei Lijun, Xu Yancong and Zhang Xiang, The number of limit cycles bifurcating from a degenerate center of piecewise smooth differential systems. Internat. J. Bifur. Chaos Appl. Sci. Engrg. 31 (2021), no. 5, Paper No. 2150067, 20 pp.

4：Wei Lijun and Zhang Xiang, Limit cycles bifurcating from periodic orbits near a centre and a homoclinic loop with a nilpotent singularity of Hamiltonian systems, Nonlinearity 33(2020)2723-2754.

5：Wei Lijun and Zhang Xiang, Averaging theory of arbitrary order for piecewise smooth differential systems and its application, Journal of Dynamics and Differential Equations 30(2018)55-78.

6：Wei Lijun, Valery Romanovski and Zhang Xiang, Generalized involutive symmetry and its application in integrability of differential systems, Zeitschrift für angewandte Mathematik und Physik 68(2017)132.

7：Wei Lijun, Limit cycle bifurcations near generalized homoclinic loop in piecewise smooth systems with a cusp, Nonlinear Analysis: Real World Applications 38(2017)306-326.

8：Wei Lijun and Zhang Xiang, Normal form and limit cycle bifurcation of piecewise smooth differential systems with a center, Journal of Differential Equations 261(2016)1399-1428.