2 papers
math.DS2021
Switch System with Stable Period Orbit
Yuyi Zhang, Yao Guo
Stability is a key property of dynamical systems. In some cases, we want to change unstable system into stable one to achieve certain goals in engineering. Here, we present an exam…
math.CA2019
On the transformations linearizing isochronous centers of Hamiltonian systems
Guangfeng Dong, Yuyi Zhang
In this paper we study the transformations linearizing isochronous centers of planar Hamiltonian differential systems with polynomial Hamiltonian functions having only iso…