刘媛媛，女，1987年12月生，理学博士，研究方向：微分方程与动力系统。
受教育经历：
2012.09-2015.06 上海师范大学 理学博士
2009.09-2012.06 曲阜师范大学 理学硕士
2005.09-2009.06 曲阜师范大学 理学学士
工作经历：
2015.06-至今临沂大学 理学院 讲师
已发表主要成果：
1. “Limit cycle bifurcations in a class of piecewise smooth systems with a double homoclinic loop”, Yuanyuan Liu*、Valery G. Romanovski, Applied Mathematics and Computation, Vol. 248, 2014, 235–245.
2. “Limit cycles for perturbing a piecewise linear Hamiltonian system with one or two saddles”, Yuanyuan Liu, Yanqin Xiong*, Chaos, Solitons & Fractals, Vol. 66, 2014, 86?95.
3. “Some bifurcation analysis in a family of non-smooth Liénard systems”, Yuanyuan Liu、 Maoan Han*, Valery G. Romanovski，International Journal of Bifurcation and Chaos，2015.
4. “Stability analysis of a class of higher order difference equations”, Abstract and Applied Analysis，Yuanyuan Liu*, Fanwei Meng, http://dx.doi.org/10.1155/2014/434621.
5. “Existence and uniqueness of traveling wave front of a nonlinear singularly perturbed system of reaction–diffusion equations with a Heaviside step function”, Lianzhong Li, Maoan Han*, Yuanyuan Liu, Journal of Mathematical Analysis and Applications, Vol.410, 2014 202?212.