Reproducing countless hidden attractors in a memristive system based on offset boosting Xin Zhang, Chunbiao Li, Xudong Gao, Haiyan Fu and Tengfei Lei Eur. Phys. J. Plus, 139 2 (2024) 187 Published online: 24 February 2024 DOI: 10.1140/epjp/s13360-024-04984-9