Self-reproducing dynamics in a two-dimensional discrete map Chunlai Li, Zhen Chen, Xuanbing Yang, Shaobo He, Yongyan Yang and Jianrong Du Eur. Phys. J. Spec. Top., 230 7-8 (2021) 1959-1970 Published online: 05 June 2021 DOI: 10.1140/epjs/s11734-021-00182-1