Complex chaotic attractor via fractal process with parabolic map and triangular map Dengwei Yan, Hang Shi, Jiening Wu, Musha Ji’E, Lidan Wang and Shukai Duan Eur. Phys. J. Plus, 138 4 (2023) 343 Published online: 19 April 2023 DOI: 10.1140/epjp/s13360-023-03904-7