Jaynes’ principle for quantum Markov processes: generalized Gibbs–von Neumann states rule J. Novotný, J. Maryška and I. Jex Eur. Phys. J. Plus, 138 7 (2023) 657 Published online: 27 July 2023 DOI: 10.1140/epjp/s13360-023-04272-y