Robustness of quantum reinforcement learning under hardware errors Andrea Skolik, Stefano Mangini, Thomas Bäck, Chiara Macchiavello and Vedran Dunjko EPJ Quantum Technol., 10 1 (2023) 8 Published online: 28 February 2023 DOI: 10.1140/epjqt/s40507-023-00166-1