Deep learning searches for vector-like leptons at the LHC and electron/muon colliders António P. Morais, António Onofre, Felipe F. Freitas, João Gonçalves, Roman Pasechnik and Rui Santos Eur. Phys. J. C, 83 3 (2023) 232 Published online: 21 March 2023 DOI: 10.1140/epjc/s10052-023-11314-3