On the sliding bifurcation of a Class of Planar Filippov Systems. - Dingheng Pi; Jiang Yu; Xiang Zhang 009 (Int. J. Bifurc. Chaos, 2013)

On the stability of a second order retarded differential equation. - Dingheng Pi (Appl. Math. Comput., 2015)

Bifurcation Analysis of Planar Piecewise Linear System with Different Dynamics. - Xiaoshi Guo; Dingheng Pi; Zhensheng Gao (Int. J. Bifurc. Chaos, 2016)

Bifurcation Analysis of Planar Piecewise Smooth Systems with a Line of Discontinuity. - Dingheng Pi; Shihong Xu (Int. J. Bifurc. Chaos, 2016)

Regularization of Planar Piecewise Smooth Systems with a Heteroclinic Loop. - Zhongjian Wang; Dingheng Pi (Int. J. Bifurc. Chaos, 2021)