Bifurcation Diagrams and Global Phase Portraits for Some Hamiltonian Systems with Rational Potentials. - Ting Chen 005; Jaume Llibre (Int. J. Bifurc. Chaos, 2018)

Limit cycles of a second-order differential equation. - Ting Chen 005; Jaume Llibre (Appl. Math. Lett., 2019)

Nilpotent Center in a Continuous Piecewise Quadratic Polynomial Hamiltonian Vector Field. - Ting Chen 005; Jaume Llibre (Int. J. Bifurc. Chaos, 2022)

Nonexistence and Uniqueness of Limit Cycles in a Class of Three-Dimensional Piecewise Linear Differential Systems. - Ting Chen 005; Lihong Huang; Jaume Llibre (Int. J. Bifurc. Chaos, 2023)

Nilpotent Bicenters in Continuous Piecewise ℤ2-Equivariant Cubic Polynomial Hamiltonian Vector Fields: Cusp-Cusp Type. - Ting Chen 005; Jaume Llibre (Int. J. Bifurc. Chaos, 2023)