Rabiner, L.: A tutorial on hidden Markov models and selected applications in speech recognition. Proc. IEEE 77(2), 257–286 (1989)
Vanluyten, B., Willems, J.C., De Moor, B.: Equivalence of state representations for hidden Markov models. Syst. Control Lett. 57(5), 410–419 (2008)
Gudder, S.: Quantum Markov chains. J. Math. Phys. 49(7), 072105 (2008)
Petruccione, F., Sinayskiy, I.: Open quantum random walks and the open quantum Pascal triangle. In: International Conference on Quantum Information, page QMH2. Optical Society of America (2011)
Attal, S., Petruccione, F., Sinayskiy, I.: Open quantum walks on graphs. Phys. Lett. A 376(18), 1545–1548 (2012)
Sinayskiy, I., Petruccione, F.: Efficiency of open quantum walk implementation of dissipative quantum computing algorithms. Quantum Inf. Process. 11(5), 1301–1309 (2012)
Sinayskiy, I., Petruccione, F.: Properties of open quantum walks on \({\mathbb{Z}}\). Phys. Scr. 2012(T151), 014077 (2012)
Attal, S., Petruccione, F., Sabot, C., Sinayskiy, I.: Open quantum random walks. J. Stat. Phys. 147(4), 832–852 (2012)
Sinayskiy, I., Petruccione, F.: Open quantum walks: a short introduction. In: Journal of Physics: Conference Series, vol. 442, p. 012003. IOP Publishing (2013)
Konno, N., Yoo, H.J.: Limit theorems for open quantum random walks. J. Stat. Phys. 150(2), 299–319 (2013)
Ampadu, C.: Averaging in SU(2) open quantum random walk. Chin. Phys. B 23(3), 030302 (2014)
Pawela, Ł., Gawron, P., Miszczak, J.A., Sadowski, P.: Generalized open quantum walks on apollonian networks. PLoS ONE 10(7), e0130967 (2015)
Sadowski, P., Pawela, Ł.: Central limit theorem for reducible and irreducible open quantum walks. Quantum Inf. Proc. 15(7), 1–19 (2016)
Li, L., Feng, Y.: Quantum Markov chains: of hybrid systems, decidability of equivalence, and model checking linear-time properties. Inf. Comput. 244, 229–244 (2015)
Monras, A., Beige, A., Wiesner, K.: Hidden quantum Markov models and non-adaptive read-out of many-body states. Appl. Math. Comput. Sci. 3, 93 (2011)
Cappellini, V., Sommers, H.-J., Życzkowski, K.: Subnormalized states and trace-nonincreasing maps. J. Math. Phys. 48(5), 052110 (2007)
Vidyasagar, M.: The complete realization problem for hidden Markov models: a survey and some new results. Math. Control Signals Syst. 23(1–3), 1–65 (2011)
Huang, Q., Ge, R., Kakade, S., Dahleh, M.: Minimal realization problem for hidden markov models. In: Communication, Control, and Computing (Allerton), 2014 52nd Annual Allerton Conference on, pp. 4–11. IEEE (2014)
Ghahramani, Z.: An introduction to hidden Markov models and Bayesian networks. Int. J. Pattern Recognit. Artif. Intell. 15(01), 9–42 (2001)