My research interest includes ordinary differential equation, bifurcation theory of dynamical systems and Hilbert's 16th problem.

[1] Maoan Han, Xiaoyan Hou, Lijuan Sheng, Chaoyang Wang, Theory of Rotated Equations and Applications to a Population Model, Discrete Contin. Dyn. Syst., 2018, 38(4), 2171-2185

[2] Maoan Han, Lijuan Sheng,Xiang Zhang, Bifurcation Theory for Finitely Smooth Planar Autonomous Differential Systems, J. Differential Equations, 264(2018), 3596-3618

[3] 盛丽鹃, 韩茂安, 一维周期方程的周期解问题,中国科学:数学, 2017,47:171-186

[4]Lijuan Sheng, Limit Cycles of a Class of Piecewise Smooth Lienard Systems, Int. J. Bifur. Chaos, 2016, 26(1), 1650009(10 pages)

[5]Lijuan Sheng, Maoan Han, Valery Romanovsky, On the Number of Limit Cycles by Perturbing a Piecewise Smooth Lienard Model, Int. J. Bifur. Chaos, 2016, 26(10), 1650168(16 pages)

[6] Maoan Han,Lijuan Sheng, Bifurcation of Limit Cycles in Piecewise Smooth Systems via Melnikov Function, J. Appl. Anal. Compt., 2015, 5(4), 809-815

2016-2017

2nd semester: 

Mathematis (for the international students)

Reviewer for Mathematical Reviews

Editorial Assistant of Journal of Applied Analysis and Computation