Application of long short-term memory neural network and optimal control to variable-order fractional model of HIV/AIDSAmirreza Yasami, Alireza Beigi and Amin YousefpourEur. Phys. J. Spec. Top., 231 10 (2022) 1875-1884DOI: https://doi.org/10.1140/epjs/s11734-022-00608-4