A new set of hyperchaotic maps based on modulation and coupling Xintong Han, Jun Mou, Hadi Jahanshahi, Yinghong Cao and Fanling Bu Eur. Phys. J. Plus, 137 4 (2022) 523 Published online: 30 April 2022 DOI: 10.1140/epjp/s13360-022-02734-3