Correction to: Eur. Phys. J. Spec. Top. https://doi.org/10.1140/epjs/s11734-021-00132-x

Due to a typesetting mistake, the article was published with errors in four references.

The references have been corrected as follows:

  • [54]: S. Zhong, Computer. Mater. Continua 60, 465–479 (2019)

  • [55]: H. Lin, C. Wang, Y. Sun et al., Nonlinear Dyn. 100, 3667–3683 ( 2020)

  • [59]: F. Yu, L. Li, B. He et al., IEEE Access 7, 181884–181898 (2019)

  • [60]: F. Yu, L. Liu, B. He et al., Complexity 2019, 4047957 (2019)

No other changes to the article have been made. We apologise for any inconvenience caused to our readers.