Multiple solutions for impulsive problems with non-autonomous perturbations. - Jian Liu 013; Zengqin Zhao (Appl. Math. Lett., 2017)

Multiple solutions to damped Hamiltonian systems with impulsive effects. - Jian Liu 013; Zengqin Zhao; Tongqian Zhang (Appl. Math. Lett., 2019)

Two solutions to superlinear Hamiltonian systems with impulsive effects. - Jian Liu 013; Wenguang Yu (Appl. Math. Lett., 2020)

Leray-Lions type p(x)-biharmonic equations involving Hardy potentials. - Jian Liu 013; Zengqin Zhao (Appl. Math. Lett., 2024)