New Criterions on Nonexistence of Periodic Orbits of Planar Dynamical Systems and Their Applications. - Hebai Chen; Hao Yang; Rui Zhang 110; Xiang Zhang (J. Nonlinear Sci., 2024)

Global Phase Portraits of Separable Polynomial Rigid Systems with a Center. - Hebai Chen; Zhaosheng Feng; Rui Zhang 110 (J. Nonlinear Sci., 2025)