A study concerning Blackwell's example in Markov chain theory
Hisao Nomoto · Journal of the Mathematical Society of Japan · 1965
\S 1. Introduction.Let $S$ be a countable set and let $P_{t}(., .)$be a (stationary) transition function on $S$ with a continuous parameter $ t\in[0, \infty$ ), that is, a system satisfying the following conditions:(P)