乐鱼登录平台

(1)           国家自然科学基金面上科学基金项目，11871041,   光滑与分段光滑退化系统的若干分岔问题, 2019.01-2022.12, 53万，在牙钟愕锹计教ì主参（3/4）。

(2)           国家自然科学基金面上科学基金项目，11771308，无穷维随机系统法向双曲的保持性及相关问题，2018.01-2021.12，50万，在牙钟愕锹计教ì主参（3/3）。

(3)           四川省教育厅科技计划项目，2016JY0067，一类非线性神经网络的稳定性分析，2016.3-2018.3， 10万，结题，主参（2/6）。

(4)           国家自然科学基金青年科学基金项目，11501475，三维系统的中心问题、等时中心及临界周期分岔，2016.01-2018.12，18万，在牙钟愕锹计教ì主持。

(1)           Lingling   Liu, O. Ozgur Aybar, Valery G. Romanovski, Weinian Zhang*, Identifying weak   foci and centers in the Maxwell-Bloch system, Journal of Mathematical   Analysis and Applications, 2015, 430(1): 549-571

(2)           Lingling   Liu, Bo Gao, Dongmei Xiao, Weinian Zhang*, Identification of focus and center   in a 3-dimensional system, Discrete and Continuous Dynamical Systems - Series   B, 2014, 19(2): 485-522

(3)           Lingling   Liu, Bo Gao*, Conditions for appearance and dis appearance of limit cycles in   the Shimizu-Morioka system, International Journal of Bifurcation and Chaos,   2011, 219: 2489-2503

(4)           Qiuyan   Zhang, Lingling Liu*，Weinian Zhang, Local   bifurcations of the Enzyme-Catalyzed reaction comprising a branched network,   International Journal of Bifurcation and Chaos, 2015, 25(6):1550081

(5)           Qiuyan   Zhang, Lingling Liu，Weinian Zhang*,   Bogdanov-Takens Bifurcations in the Enzyme-Catalyzed reaction comprising a   branched network,  Mathematical Biosciences and Engineering, 2017,   14(5): 45-60.

(6)           Fang   Xu*, Lingling Liu and Jianying Xiao, Analysis of the equilibrium points of   background neural networks with uniform firing rate, Advances in Difference   Equations, 2017 (314): 1-11.