Dynamic behaviors and digital circuit implementation of a Rulkov neuron with a non-polynomial memristor synaptic weightVictor Kamdoum Tamba, Junior Tchiaze Tofou, Viet-Thanh Pham and Giuseppe GrassiEur. Phys. J. Spec. Top., (2025) 1-18DOI: https://doi.org/10.1140/epjs/s11734-025-01617-9