Nonlinear mapping between continuous- and discrete-time dynamics Liang Zhang, Chao-Ran Cai, Ji-Qiang Zhang, Xu-Sheng Liu, Chong-Yang Wang and Zhi-Xi Wu EPL, 137 6 (2022) 61002 Published online: 07 May 2022 DOI: 10.1209/0295-5075/ac5fd0